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1,000,825

1,000,825 is a composite number, odd.

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.).

1,000,825 (one million eight hundred twenty-five) is an odd 7-digit number. It is a composite number with 36 divisors, and factors as 5² × 7² × 19 × 43. Written other ways, in hexadecimal, 0xF4579.

Cube-Free Deficient Number Evil Number Happy Number Pentagonal

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
5,280,001
Square (n²)
1,001,650,680,625
Cube (n³)
1,002,477,042,436,515,625
Divisor count
36
σ(n) — sum of divisors
1,554,960
φ(n) — Euler's totient
635,040
Sum of prime factors
86

Primality

Prime factorization: 5 2 × 7 2 × 19 × 43

Nearest primes: 1,000,793 (−32) · 1,000,829 (+4)

Divisors & multiples

All divisors (36)
1 · 5 · 7 · 19 · 25 · 35 · 43 · 49 · 95 · 133 · 175 · 215 · 245 · 301 · 475 · 665 · 817 · 931 · 1075 · 1225 · 1505 · 2107 · 3325 · 4085 · 4655 · 5719 · 7525 · 10535 · 20425 · 23275 · 28595 · 40033 · 52675 · 142975 · 200165 · 1000825
Aliquot sum (sum of proper divisors): 554,135
Factor pairs (a × b = 1,000,825)
1 × 1000825
5 × 200165
7 × 142975
19 × 52675
25 × 40033
35 × 28595
43 × 23275
49 × 20425
95 × 10535
133 × 7525
175 × 5719
215 × 4655
245 × 4085
301 × 3325
475 × 2107
665 × 1505
817 × 1225
931 × 1075
First multiples
1,000,825 · 2,001,650 (double) · 3,002,475 · 4,003,300 · 5,004,125 · 6,004,950 · 7,005,775 · 8,006,600 · 9,007,425 · 10,008,250

Sums & aliquot sequence

As consecutive integers: 500,412 + 500,413 200,163 + 200,164 + 200,165 + 200,166 + 200,167 142,972 + 142,973 + … + 142,978 100,078 + 100,079 + … + 100,087
Aliquot sequence: 1,000,825 554,135 149,953 1 0 — terminates at zero

Continued fraction of √n

√1,000,825 = [1000; (2, 2, 2, 1, 4, 1, 1, 1, 1, 1, 1, 79, 2, 2, 2, 40, 2, 2, 2, 79, 1, 1, 1, 1, …)]

Period length 32 — the block in parentheses repeats forever.

Representations

In words
one million eight hundred twenty-five
Ordinal
1000825th
Binary
11110100010101111001
Octal
3642571
Hexadecimal
0xF4579
Base64
D0V5
One's complement
4,293,966,470 (32-bit)
Scientific notation
1.000825 × 10⁶
As a duration
1,000,825 s = 11 days, 14 hours, 25 seconds
In other bases
ternary (3) 1212211212121
quaternary (4) 3310111321
quinary (5) 224011300
senary (6) 33241241
septenary (7) 11335600
nonary (9) 1784777
undecimal (11) 623a31
duodecimal (12) 403221
tridecimal (13) 290707
tetradecimal (14) 1c0a37
pentadecimal (15) 14b81a

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 · 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬零八百二十五
Chinese (financial)
壹佰萬零捌佰貳拾伍
In other modern scripts
Eastern Arabic ١٠٠٠٨٢٥ Devanagari १०००८२५ Bengali ১০০০৮২৫ Tamil ௧௦௦௦௮௨௫ Thai ๑๐๐๐๘๒๕ Tibetan ༡༠༠༠༨༢༥ Khmer ១០០០៨២៥ Lao ໑໐໐໐໘໒໕ Burmese ၁၀၀၀၈၂၅

Also seen as

Hex color
#0F4579
RGB(15, 69, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.69.121.

Address
0.15.69.121
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.69.121

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 1,000,825 and was likely granted around 1911.

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

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