520,742
520,742 is a composite number, even.
520,742 (five hundred twenty thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 83 × 3,137. Written other ways, in hexadecimal, 0x7F226.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 247,025
- Square (n²)
- 271,172,230,564
- Cube (n³)
- 141,210,769,688,358,488
- Divisor count
- 8
- σ(n) — sum of divisors
- 790,776
- φ(n) — Euler's totient
- 257,152
- Sum of prime factors
- 3,222
Primality
Prime factorization: 2 × 83 × 3137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√520,742 = [721; (1, 1, 1, 1, 1, 34, 1, 1, 2, 1, 3, 1, 1, 4, 27, 84, 1, 6, 6, 2, 1, 1, 2, 1, …)]
Representations
- In words
- five hundred twenty thousand seven hundred forty-two
- Ordinal
- 520742nd
- Binary
- 1111111001000100110
- Octal
- 1771046
- Hexadecimal
- 0x7F226
- Base64
- B/Im
- One's complement
- 4,294,446,553 (32-bit)
- Scientific notation
- 5.20742 × 10⁵
- As a duration
- 520,742 s = 6 days, 39 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φκψμβʹ
- Chinese
- 五十二萬零七百四十二
- Chinese (financial)
- 伍拾貳萬零柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 520742, here are decompositions:
- 43 + 520699 = 520742
- 109 + 520633 = 520742
- 193 + 520549 = 520742
- 331 + 520411 = 520742
- 349 + 520393 = 520742
- 373 + 520369 = 520742
- 379 + 520363 = 520742
- 433 + 520309 = 520742
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.242.38.
- Address
- 0.7.242.38
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.242.38
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 520,742 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°.