501,228
501,228 is a composite number, even.
501,228 (five hundred one thousand two hundred twenty-eight) is an even 6-digit number. It is a composite number with 120 divisors, and factors as 2² × 3⁴ × 7 × 13 × 17. Its proper divisors sum to 1,206,324, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7A5EC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 822,105
- Square (n²)
- 251,229,507,984
- Cube (n³)
- 125,923,263,827,804,352
- Divisor count
- 120
- σ(n) — sum of divisors
- 1,707,552
- φ(n) — Euler's totient
- 124,416
- Sum of prime factors
- 53
Primality
Prime factorization: 2 2 × 3 4 × 7 × 13 × 17
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√501,228 = [707; (1, 38, 3, 156, 1, 352, 1, 156, 3, 38, 1, 1414)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- five hundred one thousand two hundred twenty-eight
- Ordinal
- 501228th
- Binary
- 1111010010111101100
- Octal
- 1722754
- Hexadecimal
- 0x7A5EC
- Base64
- B6Xs
- One's complement
- 4,294,466,067 (32-bit)
- Scientific notation
- 5.01228 × 10⁵
- As a duration
- 501,228 s = 5 days, 19 hours, 13 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φασκηʹ
- Chinese
- 五十萬一千二百二十八
- Chinese (financial)
- 伍拾萬壹仟貳佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 501228, here are decompositions:
- 5 + 501223 = 501228
- 11 + 501217 = 501228
- 19 + 501209 = 501228
- 31 + 501197 = 501228
- 37 + 501191 = 501228
- 41 + 501187 = 501228
- 71 + 501157 = 501228
- 89 + 501139 = 501228
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.165.236.
- Address
- 0.7.165.236
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.165.236
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 501,228 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 501228 first appears in π at position 132,997 of the decimal expansion (the 132,997ordinal-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°.