124,740
124,740 is a composite number, even.
124,740 (one hundred twenty-four thousand seven hundred forty) is an even 6-digit number. It is a composite number with 120 divisors, and factors as 2² × 3⁴ × 5 × 7 × 11. Its proper divisors sum to 363,132, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E744.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 47,421
- Recamán's sequence
- a(236,684) = 124,740
- Square (n²)
- 15,560,067,600
- Cube (n³)
- 1,940,962,832,424,000
- Divisor count
- 120
- σ(n) — sum of divisors
- 487,872
- φ(n) — Euler's totient
- 25,920
- Sum of prime factors
- 39
Primality
Prime factorization: 2 2 × 3 4 × 5 × 7 × 11
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,740 = [353; (5, 2, 1, 1, 3, 1, 2, 1, 1, 77, 1, 10, 20, 10, 1, 77, 1, 1, 2, 1, 3, 1, 1, 2, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand seven hundred forty
- Ordinal
- 124740th
- Binary
- 11110011101000100
- Octal
- 363504
- Hexadecimal
- 0x1E744
- Base64
- AedE
- One's complement
- 4,294,842,555 (32-bit)
- Scientific notation
- 1.2474 × 10⁵
- As a duration
- 124,740 s = 1 day, 10 hours, 39 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκδψμʹ
- Mayan (base 20)
- 𝋯·𝋫·𝋱·𝋠
- Chinese
- 一十二萬四千七百四十
- Chinese (financial)
- 壹拾貳萬肆仟柒佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124740, here are decompositions:
- 19 + 124721 = 124740
- 23 + 124717 = 124740
- 37 + 124703 = 124740
- 41 + 124699 = 124740
- 47 + 124693 = 124740
- 61 + 124679 = 124740
- 67 + 124673 = 124740
- 71 + 124669 = 124740
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.231.68.
- Address
- 0.1.231.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.231.68
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 124,740 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 124740 first appears in π at position 330,138 of the decimal expansion (the 330,138ordinal-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°.