162,428
162,428 is a composite number, even.
162,428 (one hundred sixty-two thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 7 × 5,801. Its proper divisors sum to 162,484, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x27A7C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 768
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 824,261
- Recamán's sequence
- a(474,431) = 162,428
- Square (n²)
- 26,382,855,184
- Cube (n³)
- 4,285,314,401,826,752
- Divisor count
- 12
- σ(n) — sum of divisors
- 324,912
- φ(n) — Euler's totient
- 69,600
- Sum of prime factors
- 5,812
Primality
Prime factorization: 2 2 × 7 × 5801
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√162,428 = [403; (42, 2, 2, 1, 2, 1, 1, 6, 2, 1, 2, 3, 2, 3, 25, 1, 2, 2, 4, 1, 7, 100, 1, 1, …)]
Representations
- In words
- one hundred sixty-two thousand four hundred twenty-eight
- Ordinal
- 162428th
- Binary
- 100111101001111100
- Octal
- 475174
- Hexadecimal
- 0x27A7C
- Base64
- Anp8
- One's complement
- 4,294,804,867 (32-bit)
- Scientific notation
- 1.62428 × 10⁵
- As a duration
- 162,428 s = 1 day, 21 hours, 7 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρξβυκηʹ
- Chinese
- 一十六萬二千四百二十八
- Chinese (financial)
- 壹拾陸萬貳仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 162428, here are decompositions:
- 37 + 162391 = 162428
- 139 + 162289 = 162428
- 151 + 162277 = 162428
- 199 + 162229 = 162428
- 337 + 162091 = 162428
- 349 + 162079 = 162428
- 421 + 162007 = 162428
- 457 + 161971 = 162428
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A7 A9 BC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.122.124.
- Address
- 0.2.122.124
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.122.124
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 162,428 and was likely granted around 1874.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 162428 first appears in π at position 290,200 of the decimal expansion (the 290,200ordinal-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°.