529,428
529,428 is a composite number, even.
529,428 (five hundred twenty-nine thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 44,119. Its proper divisors sum to 705,932, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x81414.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 5,760
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 824,925
- Square (n²)
- 280,294,007,184
- Cube (n³)
- 148,395,495,635,410,752
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,235,360
- φ(n) — Euler's totient
- 176,472
- Sum of prime factors
- 44,126
Primality
Prime factorization: 2 2 × 3 × 44119
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√529,428 = [727; (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 131, 1, 6, 1, 23, 1, 3, 1, 3, 3, …)]
Representations
- In words
- five hundred twenty-nine thousand four hundred twenty-eight
- Ordinal
- 529428th
- Binary
- 10000001010000010100
- Octal
- 2012024
- Hexadecimal
- 0x81414
- Base64
- CBQU
- One's complement
- 4,294,437,867 (32-bit)
- Scientific notation
- 5.29428 × 10⁵
- As a duration
- 529,428 s = 6 days, 3 hours, 3 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φκθυκηʹ
- Chinese
- 五十二萬九千四百二十八
- Chinese (financial)
- 伍拾貳萬玖仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 529428, here are decompositions:
- 5 + 529423 = 529428
- 7 + 529421 = 529428
- 17 + 529411 = 529428
- 47 + 529381 = 529428
- 71 + 529357 = 529428
- 79 + 529349 = 529428
- 101 + 529327 = 529428
- 127 + 529301 = 529428
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.20.20.
- Address
- 0.8.20.20
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.20.20
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 529,428 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 529428 first appears in π at position 751,739 of the decimal expansion (the 751,739ordinal-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°.