Base | Representation |
---|---|
bin | 1101101001100… |
… | …1110010001111 |
3 | 10222201202100202 |
4 | 3122121302033 |
5 | 104124044012 |
6 | 5403044115 |
7 | 1263433250 |
oct | 332316217 |
9 | 128652322 |
10 | 57253007 |
11 | 2a355039 |
12 | 1721063b |
13 | bb27826 |
14 | 7864b27 |
15 | 505dcc2 |
hex | 3699c8f |
57253007 has 4 divisors (see below), whose sum is σ = 65432016. Its totient is φ = 49074000.
The previous prime is 57252983. The next prime is 57253037. The reversal of 57253007 is 70035275.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57253007 - 28 = 57252751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57253037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089494 + ... + 4089507.
It is an arithmetic number, because the mean of its divisors is an integer number (16358004).
Almost surely, 257253007 is an apocalyptic number.
57253007 is a deficient number, since it is larger than the sum of its proper divisors (8179009).
57253007 is an equidigital number, since it uses as much as digits as its factorization.
57253007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8179008.
The product of its (nonzero) digits is 7350, while the sum is 29.
The square root of 57253007 is about 7566.5716807548. The cubic root of 57253007 is about 385.4186865843.
The spelling of 57253007 in words is "fifty-seven million, two hundred fifty-three thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •