529,920
529,920 is a composite number, even.
529,920 (five hundred twenty-nine thousand nine hundred twenty) is an even 6-digit number. It is a composite number with 120 divisors, and factors as 2⁹ × 3² × 5 × 23. Its proper divisors sum to 1,385,136, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x81600.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 29,925
- Square (n²)
- 280,815,206,400
- Cube (n³)
- 148,809,594,175,488,000
- Divisor count
- 120
- σ(n) — sum of divisors
- 1,915,056
- φ(n) — Euler's totient
- 135,168
- Sum of prime factors
- 52
Primality
Prime factorization: 2 9 × 3 2 × 5 × 23
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√529,920 = [727; (1, 21, 1, 2, 1, 90, 4, 22, 2, 363, 2, 22, 4, 90, 1, 2, 1, 21, 1, 1454)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- five hundred twenty-nine thousand nine hundred twenty
- Ordinal
- 529920th
- Binary
- 10000001011000000000
- Octal
- 2013000
- Hexadecimal
- 0x81600
- Base64
- CBYA
- One's complement
- 4,294,437,375 (32-bit)
- Scientific notation
- 5.2992 × 10⁵
- As a duration
- 529,920 s = 6 days, 3 hours, 12 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵φκθϡκʹ
- Chinese
- 五十二萬九千九百二十
- Chinese (financial)
- 伍拾貳萬玖仟玖佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 529920, here are decompositions:
- 73 + 529847 = 529920
- 101 + 529819 = 529920
- 107 + 529813 = 529920
- 109 + 529811 = 529920
- 113 + 529807 = 529920
- 173 + 529747 = 529920
- 179 + 529741 = 529920
- 197 + 529723 = 529920
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.22.0.
- Address
- 0.8.22.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.22.0
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 529,920 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.