Base | Representation |
---|---|
bin | 1101110100010… |
… | …0001011001001 |
3 | 11001001012201102 |
4 | 3131010023021 |
5 | 104313412141 |
6 | 5430031145 |
7 | 1302401060 |
oct | 335041311 |
9 | 131035642 |
10 | 57950921 |
11 | 2a791426 |
12 | 174a84b5 |
13 | c0103b2 |
14 | 79a71d7 |
15 | 514a99b |
hex | 37442c9 |
57950921 has 8 divisors (see below), whose sum is σ = 67352640. Its totient is φ = 48829968.
The previous prime is 57950881. The next prime is 57950923. The reversal of 57950921 is 12905975.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57950921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57950923) 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, 69746 + ... + 70571.
It is an arithmetic number, because the mean of its divisors is an integer number (8419080).
Almost surely, 257950921 is an apocalyptic number.
It is an amenable number.
57950921 is a deficient number, since it is larger than the sum of its proper divisors (9401719).
57950921 is a wasteful number, since it uses less digits than its factorization.
57950921 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140383.
The product of its (nonzero) digits is 28350, while the sum is 38.
The square root of 57950921 is about 7612.5502297193. The cubic root of 57950921 is about 386.9784500594.
The spelling of 57950921 in words is "fifty-seven million, nine hundred fifty thousand, nine hundred twenty-one".
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