472,530
472,530 is a composite number, even.
472,530 (four hundred seventy-two thousand five hundred thirty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 5 × 19 × 829. Its proper divisors sum to 722,670, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x735D2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 35,274
- Square (n²)
- 223,284,600,900
- Cube (n³)
- 105,508,672,463,277,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,195,200
- φ(n) — Euler's totient
- 119,232
- Sum of prime factors
- 858
Primality
Prime factorization: 2 × 3 × 5 × 19 × 829
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,530 = [687; (2, 2, 4, 2, 33, 12, 33, 2, 4, 2, 2, 1374)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy-two thousand five hundred thirty
- Ordinal
- 472530th
- Binary
- 1110011010111010010
- Octal
- 1632722
- Hexadecimal
- 0x735D2
- Base64
- BzXS
- One's complement
- 4,294,494,765 (32-bit)
- Scientific notation
- 4.7253 × 10⁵
- As a duration
- 472,530 s = 5 days, 11 hours, 15 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆
- Greek (Milesian)
- ͵υοβφλʹ
- Chinese
- 四十七萬二千五百三十
- Chinese (financial)
- 肆拾柒萬貳仟伍佰參拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 472530, here are decompositions:
- 7 + 472523 = 472530
- 53 + 472477 = 472530
- 61 + 472469 = 472530
- 73 + 472457 = 472530
- 109 + 472421 = 472530
- 131 + 472399 = 472530
- 137 + 472393 = 472530
- 139 + 472391 = 472530
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.53.210.
- Address
- 0.7.53.210
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.53.210
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 472,530 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 472530 first appears in π at position 780,974 of the decimal expansion (the 780,974ordinal-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°.