523,428
523,428 is a composite number, even.
523,428 (five hundred twenty-three thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 53 × 823. Its proper divisors sum to 722,460, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7FCA4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,920
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 824,325
- Square (n²)
- 273,976,871,184
- Cube (n³)
- 143,407,165,730,098,752
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,245,888
- φ(n) — Euler's totient
- 170,976
- Sum of prime factors
- 883
Primality
Prime factorization: 2 2 × 3 × 53 × 823
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√523,428 = [723; (2, 14, 2, 2, 1, 1, 9, 1, 1, 6, 1, 2, 14, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, …)]
Representations
- In words
- five hundred twenty-three thousand four hundred twenty-eight
- Ordinal
- 523428th
- Binary
- 1111111110010100100
- Octal
- 1776244
- Hexadecimal
- 0x7FCA4
- Base64
- B/yk
- One's complement
- 4,294,443,867 (32-bit)
- Scientific notation
- 5.23428 × 10⁵
- As a duration
- 523,428 s = 6 days, 1 hour, 23 minutes, 48 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φκγυκηʹ
- Chinese
- 五十二萬三千四百二十八
- Chinese (financial)
- 伍拾貳萬參仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 523428, here are decompositions:
- 11 + 523417 = 523428
- 41 + 523387 = 523428
- 71 + 523357 = 523428
- 79 + 523349 = 523428
- 131 + 523297 = 523428
- 167 + 523261 = 523428
- 251 + 523177 = 523428
- 331 + 523097 = 523428
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.252.164.
- Address
- 0.7.252.164
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.252.164
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 523,428 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 523428 first appears in π at position 340,412 of the decimal expansion (the 340,412ordinal-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°.