124,440
124,440 is a composite number, even.
124,440 (one hundred twenty-four thousand four hundred forty) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2³ × 3 × 5 × 17 × 61. Its proper divisors sum to 277,320, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E618.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 44,421
- Recamán's sequence
- a(237,284) = 124,440
- Square (n²)
- 15,485,313,600
- Cube (n³)
- 1,926,992,424,384,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 401,760
- φ(n) — Euler's totient
- 30,720
- Sum of prime factors
- 92
Primality
Prime factorization: 2 3 × 3 × 5 × 17 × 61
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,440 = [352; (1, 3, 5, 1, 2, 8, 1, 13, 1, 1, 46, 1, 1, 13, 1, 8, 2, 1, 5, 3, 1, 704)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand four hundred forty
- Ordinal
- 124440th
- Binary
- 11110011000011000
- Octal
- 363030
- Hexadecimal
- 0x1E618
- Base64
- AeYY
- One's complement
- 4,294,842,855 (32-bit)
- Scientific notation
- 1.2444 × 10⁵
- As a duration
- 124,440 s = 1 day, 10 hours, 34 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκδυμʹ
- Mayan (base 20)
- 𝋯·𝋫·𝋢·𝋠
- Chinese
- 一十二萬四千四百四十
- Chinese (financial)
- 壹拾貳萬肆仟肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124440, here are decompositions:
- 7 + 124433 = 124440
- 11 + 124429 = 124440
- 13 + 124427 = 124440
- 73 + 124367 = 124440
- 89 + 124351 = 124440
- 97 + 124343 = 124440
- 101 + 124339 = 124440
- 103 + 124337 = 124440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.230.24.
- Address
- 0.1.230.24
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.230.24
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 124,440 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 124440 first appears in π at position 284,648 of the decimal expansion (the 284,648ordinal-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°.