142,528
142,528 is a composite number, even.
142,528 (one hundred forty-two thousand five hundred twenty-eight) is an even 6-digit number. It is a composite number with 28 divisors, and factors as 2⁶ × 17 × 131. Its proper divisors sum to 159,224, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22CC0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 640
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 825,241
- Recamán's sequence
- a(223,360) = 142,528
- Square (n²)
- 20,314,230,784
- Cube (n³)
- 2,895,346,685,181,952
- Divisor count
- 28
- σ(n) — sum of divisors
- 301,752
- φ(n) — Euler's totient
- 66,560
- Sum of prime factors
- 160
Primality
Prime factorization: 2 6 × 17 × 131
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,528 = [377; (1, 1, 8, 5, 1, 1, 1, 1, 15, 2, 5, 2, 5, 1, 7, 1, 5, 83, 1, 2, 1, 1, 1, 3, …)]
Representations
- In words
- one hundred forty-two thousand five hundred twenty-eight
- Ordinal
- 142528th
- Binary
- 100010110011000000
- Octal
- 426300
- Hexadecimal
- 0x22CC0
- Base64
- AizA
- One's complement
- 4,294,824,767 (32-bit)
- Scientific notation
- 1.42528 × 10⁵
- As a duration
- 142,528 s = 1 day, 15 hours, 35 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφκηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋦·𝋨
- Chinese
- 一十四萬二千五百二十八
- Chinese (financial)
- 壹拾肆萬貳仟伍佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142528, here are decompositions:
- 59 + 142469 = 142528
- 101 + 142427 = 142528
- 107 + 142421 = 142528
- 137 + 142391 = 142528
- 257 + 142271 = 142528
- 311 + 142217 = 142528
- 317 + 142211 = 142528
- 359 + 142169 = 142528
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B3 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.192.
- Address
- 0.2.44.192
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.192
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 142,528 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142528 first appears in π at position 469,023 of the decimal expansion (the 469,023ordinal-suffix:rd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.