520,200
520,200 is a composite number, even.
520,200 (five hundred twenty thousand two hundred) is an even 6-digit number. It is a composite number with 108 divisors, and factors as 2³ × 3² × 5² × 17². Its proper divisors sum to 1,335,615, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7F008.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 2,025
- Recamán's sequence
- a(164,672) = 520,200
- Square (n²)
- 270,608,040,000
- Cube (n³)
- 140,770,302,408,000,000
- Divisor count
- 108
- σ(n) — sum of divisors
- 1,855,815
- φ(n) — Euler's totient
- 130,560
- Sum of prime factors
- 56
Primality
Prime factorization: 2 3 × 3 2 × 5 2 × 17 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√520,200 = [721; (4, 57, 2, 4, 2, 57, 4, 1442)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- five hundred twenty thousand two hundred
- Ordinal
- 520200th
- Binary
- 1111111000000001000
- Octal
- 1770010
- Hexadecimal
- 0x7F008
- Base64
- B/AI
- One's complement
- 4,294,447,095 (32-bit)
- Scientific notation
- 5.202 × 10⁵
- As a duration
- 520,200 s = 6 days, 30 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓍢𓍢
- Greek (Milesian)
- ͵φκσʹ
- Chinese
- 五十二萬零二百
- Chinese (financial)
- 伍拾貳萬零貳佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 520200, here are decompositions:
- 7 + 520193 = 520200
- 71 + 520129 = 520200
- 89 + 520111 = 520200
- 97 + 520103 = 520200
- 127 + 520073 = 520200
- 137 + 520063 = 520200
- 157 + 520043 = 520200
- 179 + 520021 = 520200
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.240.8.
- Address
- 0.7.240.8
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.240.8
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 520,200 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 520200 first appears in π at position 67,005 of the decimal expansion (the 67,005ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.