1,047,420
1,047,420 is a composite number, even.
1,047,420 (one million forty-seven thousand four hundred twenty) is an even 7-digit number. It is a composite number with 108 divisors, and factors as 2² × 3² × 5 × 11 × 23². Its proper divisors sum to 2,575,836, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFFB7C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 247,401
- Square (n²)
- 1,097,088,656,400
- Cube (n³)
- 1,149,112,600,486,488,000
- Divisor count
- 108
- σ(n) — sum of divisors
- 3,623,256
- φ(n) — Euler's totient
- 242,880
- Sum of prime factors
- 72
Primality
Prime factorization: 2 2 × 3 2 × 5 × 11 × 23 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,047,420 = [1023; (2, 3, 2, 1, 2, 2, 2, 3, 2, 5, 4, 3, 1, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 5, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one million forty-seven thousand four hundred twenty
- Ordinal
- 1047420th
- Binary
- 11111111101101111100
- Octal
- 3775574
- Hexadecimal
- 0xFFB7C
- Base64
- D/t8
- One's complement
- 4,293,919,875 (32-bit)
- Scientific notation
- 1.04742 × 10⁶
- As a duration
- 1,047,420 s = 12 days, 2 hours, 57 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Chinese
- 一百零四萬七千四百二十
- Chinese (financial)
- 壹佰零肆萬柒仟肆佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1047420, here are decompositions:
- 29 + 1047391 = 1047420
- 41 + 1047379 = 1047420
- 47 + 1047373 = 1047420
- 53 + 1047367 = 1047420
- 79 + 1047341 = 1047420
- 97 + 1047323 = 1047420
- 103 + 1047317 = 1047420
- 107 + 1047313 = 1047420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.251.124.
- Address
- 0.15.251.124
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.251.124
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Tuesday, January 4, 7420 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 7420-04-01 (DMMYYYY (Euro, single-digit day))
- 7420-10-04 (MMDYYYY (US, single-digit day))
- 7420-04-10 (DDMYYYY (Euro, single-digit month))
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,047,420 and was likely granted around 1912.
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°.