972,428
972,428 is a composite number, even.
972,428 (nine hundred seventy-two thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 29 × 83 × 101. Written other ways, in hexadecimal, 0xED68C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 8,064
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 824,279
- Square (n²)
- 945,616,215,184
- Cube (n³)
- 919,543,684,898,946,752
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,799,280
- φ(n) — Euler's totient
- 459,200
- Sum of prime factors
- 217
Primality
Prime factorization: 2 2 × 29 × 83 × 101
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√972,428 = [986; (8, 1, 1, 492, 1, 1, 8, 1972)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred seventy-two thousand four hundred twenty-eight
- Ordinal
- 972428th
- Binary
- 11101101011010001100
- Octal
- 3553214
- Hexadecimal
- 0xED68C
- Base64
- DtaM
- One's complement
- 4,293,994,867 (32-bit)
- Scientific notation
- 9.72428 × 10⁵
- As a duration
- 972,428 s = 11 days, 6 hours, 7 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡοβυκηʹ
- Chinese
- 九十七萬二千四百二十八
- Chinese (financial)
- 玖拾柒萬貳仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 972428, here are decompositions:
- 19 + 972409 = 972428
- 109 + 972319 = 972428
- 151 + 972277 = 972428
- 157 + 972271 = 972428
- 199 + 972229 = 972428
- 229 + 972199 = 972428
- 307 + 972121 = 972428
- 337 + 972091 = 972428
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.214.140.
- Address
- 0.14.214.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.214.140
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 972,428 and was likely granted around 1910.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 972428 first appears in π at position 528,187 of the decimal expansion (the 528,187ordinal-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°.