125,472
125,472 is a composite number, even.
125,472 (one hundred twenty-five thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 3 × 1,307. Its proper divisors sum to 204,144, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1EA20.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 560
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 274,521
- Recamán's sequence
- a(235,220) = 125,472
- Square (n²)
- 15,743,222,784
- Cube (n³)
- 1,975,333,649,154,048
- Divisor count
- 24
- σ(n) — sum of divisors
- 329,616
- φ(n) — Euler's totient
- 41,792
- Sum of prime factors
- 1,320
Primality
Prime factorization: 2 5 × 3 × 1307
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,472 = [354; (4, 1, 1, 5, 1, 3, 2, 1, 9, 3, 1, 1, 21, 1, 1, 3, 9, 1, 2, 3, 1, 5, 1, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand four hundred seventy-two
- Ordinal
- 125472nd
- Binary
- 11110101000100000
- Octal
- 365040
- Hexadecimal
- 0x1EA20
- Base64
- Aeog
- One's complement
- 4,294,841,823 (32-bit)
- Scientific notation
- 1.25472 × 10⁵
- As a duration
- 125,472 s = 1 day, 10 hours, 51 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκευοβʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋭·𝋬
- Chinese
- 一十二萬五千四百七十二
- Chinese (financial)
- 壹拾貳萬伍仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125472, here are decompositions:
- 19 + 125453 = 125472
- 31 + 125441 = 125472
- 43 + 125429 = 125472
- 73 + 125399 = 125472
- 89 + 125383 = 125472
- 101 + 125371 = 125472
- 173 + 125299 = 125472
- 211 + 125261 = 125472
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.234.32.
- Address
- 0.1.234.32
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.234.32
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 125,472 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.