Base | Representation |
---|---|
bin | 1101101001101… |
… | …0000001010011 |
3 | 10222201210200110 |
4 | 3122122001103 |
5 | 104124111341 |
6 | 5403052403 |
7 | 1263436125 |
oct | 332320123 |
9 | 128653613 |
10 | 57253971 |
11 | 2a355835 |
12 | 17211103 |
13 | bb280b8 |
14 | 7865215 |
15 | 505e216 |
hex | 369a053 |
57253971 has 8 divisors (see below), whose sum is σ = 77094864. Its totient is φ = 37791200.
The previous prime is 57253957. The next prime is 57253991. The reversal of 57253971 is 17935275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57253971 - 217 = 57122899 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57253901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94176 + ... + 94781.
It is an arithmetic number, because the mean of its divisors is an integer number (9636858).
Almost surely, 257253971 is an apocalyptic number.
57253971 is a deficient number, since it is larger than the sum of its proper divisors (19840893).
57253971 is a wasteful number, since it uses less digits than its factorization.
57253971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189061.
The product of its digits is 66150, while the sum is 39.
The square root of 57253971 is about 7566.6353817268. The cubic root of 57253971 is about 385.4208497402.
The spelling of 57253971 in words is "fifty-seven million, two hundred fifty-three thousand, nine hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •