520,240
520,240 is a composite number, even.
520,240 (five hundred twenty thousand two hundred forty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 7 × 929. Its proper divisors sum to 863,600, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7F030.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 42,025
- Square (n²)
- 270,649,657,600
- Cube (n³)
- 140,802,777,869,824,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 1,383,840
- φ(n) — Euler's totient
- 178,176
- Sum of prime factors
- 949
Primality
Prime factorization: 2 4 × 5 × 7 × 929
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√520,240 = [721; (3, 1, 1, 1, 1, 2, 8, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 89, 1, 1, 2, 1, 1, 1, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- five hundred twenty thousand two hundred forty
- Ordinal
- 520240th
- Binary
- 1111111000000110000
- Octal
- 1770060
- Hexadecimal
- 0x7F030
- Base64
- B/Aw
- One's complement
- 4,294,447,055 (32-bit)
- Scientific notation
- 5.2024 × 10⁵
- As a duration
- 520,240 s = 6 days, 30 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φκσμʹ
- Chinese
- 五十二萬零二百四十
- Chinese (financial)
- 伍拾貳萬零貳佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 520240, here are decompositions:
- 47 + 520193 = 520240
- 89 + 520151 = 520240
- 137 + 520103 = 520240
- 167 + 520073 = 520240
- 173 + 520067 = 520240
- 197 + 520043 = 520240
- 251 + 519989 = 520240
- 269 + 519971 = 520240
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.240.48.
- Address
- 0.7.240.48
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.240.48
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 520,240 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°.