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528,072

528,072 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

528,072 (five hundred twenty-eight thousand seventy-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 3 × 22,003. Its proper divisors sum to 792,168, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x80EC8.

Abundant Number Arithmetic Number Harshad / Niven Moran Number Odious Number Pernicious Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
24
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
270,825
Square (n²)
278,860,037,184
Cube (n³)
147,258,177,555,829,248
Divisor count
16
σ(n) — sum of divisors
1,320,240
φ(n) — Euler's totient
176,016
Sum of prime factors
22,012

Primality

Prime factorization: 2 3 × 3 × 22003

Nearest primes: 528,053 (−19) · 528,091 (+19)

Divisors & multiples

All divisors (16)
1 · 2 · 3 · 4 · 6 · 8 · 12 · 24 · 22003 · 44006 · 66009 · 88012 · 132018 · 176024 · 264036 (half) · 528072
Aliquot sum (sum of proper divisors): 792,168
Factor pairs (a × b = 528,072)
1 × 528072
2 × 264036
3 × 176024
4 × 132018
6 × 88012
8 × 66009
12 × 44006
24 × 22003
First multiples
528,072 · 1,056,144 (double) · 1,584,216 · 2,112,288 · 2,640,360 · 3,168,432 · 3,696,504 · 4,224,576 · 4,752,648 · 5,280,720

Sums & aliquot sequence

As consecutive integers: 176,023 + 176,024 + 176,025 32,997 + 32,998 + … + 33,012 10,978 + 10,979 + … + 11,025
Aliquot sequence: 528,072 792,168 1,341,432 2,415,048 3,753,912 5,767,368 8,899,032 13,348,608 30,605,568 62,502,720 169,242,816 278,545,976 249,113,464 218,185,256 190,912,114 111,137,966 55,568,986 — unresolved within range

Continued fraction of √n

√528,072 = [726; (1, 2, 5, 1, 1, 8, 1, 3, 2, 2, 1, 1, 8, 8, 2, 14, 1, 1, 19, 1, 20, 2, 2, 1, …)]

Representations

In words
five hundred twenty-eight thousand seventy-two
Ordinal
528072nd
Binary
10000000111011001000
Octal
2007310
Hexadecimal
0x80EC8
Base64
CA7I
One's complement
4,294,439,223 (32-bit)
Scientific notation
5.28072 × 10⁵
As a duration
528,072 s = 6 days, 2 hours, 41 minutes, 12 seconds
In other bases
ternary (3) 222211101020
quaternary (4) 2000323020
quinary (5) 113344242
senary (6) 15152440
septenary (7) 4326366
nonary (9) 884336
undecimal (11) 330826
duodecimal (12) 215720
tridecimal (13) 15648c
tetradecimal (14) da636
pentadecimal (15) a66ec

As an angle

528,072° = 1,466 × 360° + 312°
312° ≈ 5.445 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵φκηοβʹ
Chinese
五十二萬八千零七十二
Chinese (financial)
伍拾貳萬捌仟零柒拾貳
In other modern scripts
Eastern Arabic ٥٢٨٠٧٢ Devanagari ५२८०७२ Bengali ৫২৮০৭২ Tamil ௫௨௮௦௭௨ Thai ๕๒๘๐๗๒ Tibetan ༥༢༨༠༧༢ Khmer ៥២៨០៧២ Lao ໕໒໘໐໗໒ Burmese ၅၂၈၀၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 528072, here are decompositions:

  • 19 + 528053 = 528072
  • 29 + 528043 = 528072
  • 31 + 528041 = 528072
  • 59 + 528013 = 528072
  • 71 + 528001 = 528072
  • 79 + 527993 = 528072
  • 89 + 527983 = 528072
  • 131 + 527941 = 528072

Showing the first eight; more decompositions exist.

Hex color
#080EC8
RGB(8, 14, 200)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.8.14.200.

Address
0.8.14.200
Class
reserved
IPv4-mapped IPv6
::ffff:0.8.14.200

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 528,072 and was likely granted around 1894.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Position in π

The digit sequence 528072 first appears in π at position 546,672 of the decimal expansion (the 546,672ordinal-suffix:nd digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.