520,072
520,072 is a composite number, even.
520,072 (five hundred twenty thousand seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 7 × 37 × 251. Its proper divisors sum to 629,048, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7EF88.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 270,025
- Square (n²)
- 270,474,885,184
- Cube (n³)
- 140,666,414,487,413,248
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,149,120
- φ(n) — Euler's totient
- 216,000
- Sum of prime factors
- 301
Primality
Prime factorization: 2 3 × 7 × 37 × 251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√520,072 = [721; (6, 4, 8, 1, 4, 1, 12, 6, 8, 1, 9, 1, 2, 1, 1, 159, 1, 2, 5, 1, 10, 11, 1, 4, …)]
Representations
- In words
- five hundred twenty thousand seventy-two
- Ordinal
- 520072nd
- Binary
- 1111110111110001000
- Octal
- 1767610
- Hexadecimal
- 0x7EF88
- Base64
- B++I
- One's complement
- 4,294,447,223 (32-bit)
- Scientific notation
- 5.20072 × 10⁵
- As a duration
- 520,072 s = 6 days, 27 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φκοβʹ
- Chinese
- 五十二萬零七十二
- Chinese (financial)
- 伍拾貳萬零柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 520072, here are decompositions:
- 5 + 520067 = 520072
- 29 + 520043 = 520072
- 41 + 520031 = 520072
- 53 + 520019 = 520072
- 83 + 519989 = 520072
- 101 + 519971 = 520072
- 149 + 519923 = 520072
- 191 + 519881 = 520072
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.239.136.
- Address
- 0.7.239.136
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.239.136
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 520,072 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.