1,049,720
1,049,720 is a composite number, even.
1,049,720 (one million forty-nine thousand seven hundred twenty) is an even 7-digit number. It is a composite number with 64 divisors, and factors as 2³ × 5 × 7 × 23 × 163. Its proper divisors sum to 1,784,200, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x100478.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 21 bits
- Reversed
- 279,401
- Square (n²)
- 1,101,912,078,400
- Cube (n³)
- 1,156,699,146,938,048,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,833,920
- φ(n) — Euler's totient
- 342,144
- Sum of prime factors
- 204
Primality
Prime factorization: 2 3 × 5 × 7 × 23 × 163
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,049,720 = [1024; (1, 1, 3, 1, 3, 1, 1, 2048)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one million forty-nine thousand seven hundred twenty
- Ordinal
- 1049720th
- Binary
- 100000000010001111000
- Octal
- 4002170
- Hexadecimal
- 0x100478
- Base64
- EAR4
- One's complement
- 4,293,917,575 (32-bit)
- Scientific notation
- 1.04972 × 10⁶
- As a duration
- 1,049,720 s = 12 days, 3 hours, 35 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Chinese
- 一百零四萬九千七百二十
- Chinese (financial)
- 壹佰零肆萬玖仟柒佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1049720, here are decompositions:
- 3 + 1049717 = 1049720
- 13 + 1049707 = 1049720
- 37 + 1049683 = 1049720
- 43 + 1049677 = 1049720
- 97 + 1049623 = 1049720
- 109 + 1049611 = 1049720
- 151 + 1049569 = 1049720
- 193 + 1049527 = 1049720
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.16.4.120.
- Address
- 0.16.4.120
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.16.4.120
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Thursday, January 4, 9720 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 9720-04-01 (DMMYYYY (Euro, single-digit day))
- 9720-10-04 (MMDYYYY (US, single-digit day))
- 9720-04-10 (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 1,049,720 and was likely granted around 1912.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 1049720 first appears in π at position 667,999 of the decimal expansion (the 667,999ordinal-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°.