528,080
528,080 is a composite number, even.
528,080 (five hundred twenty-eight thousand eighty) is an even 6-digit number. It is a composite number with 80 divisors, and factors as 2⁴ × 5 × 7 × 23 × 41. Its proper divisors sum to 971,824, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x80ED0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 80,825
- Square (n²)
- 278,868,486,400
- Cube (n³)
- 147,264,870,298,112,000
- Divisor count
- 80
- σ(n) — sum of divisors
- 1,499,904
- φ(n) — Euler's totient
- 168,960
- Sum of prime factors
- 84
Primality
Prime factorization: 2 4 × 5 × 7 × 23 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√528,080 = [726; (1, 2, 4, 4, 1, 3, 1, 21, 1, 11, 18, 11, 1, 21, 1, 3, 1, 4, 4, 2, 1, 1452)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- five hundred twenty-eight thousand eighty
- Ordinal
- 528080th
- Binary
- 10000000111011010000
- Octal
- 2007320
- Hexadecimal
- 0x80ED0
- Base64
- CA7Q
- One's complement
- 4,294,439,215 (32-bit)
- Scientific notation
- 5.2808 × 10⁵
- As a duration
- 528,080 s = 6 days, 2 hours, 41 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φκηπʹ
- Chinese
- 五十二萬八千零八十
- Chinese (financial)
- 伍拾貳萬捌仟零捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 528080, here are decompositions:
- 37 + 528043 = 528080
- 67 + 528013 = 528080
- 79 + 528001 = 528080
- 97 + 527983 = 528080
- 139 + 527941 = 528080
- 151 + 527929 = 528080
- 199 + 527881 = 528080
- 211 + 527869 = 528080
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.14.208.
- Address
- 0.8.14.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.14.208
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 528,080 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 528080 first appears in π at position 534,415 of the decimal expansion (the 534,415ordinal-suffix:th 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°.