Base | Representation |
---|---|
bin | 1101110100000… |
… | …1010000110010 |
3 | 11001000121100200 |
4 | 3131001100302 |
5 | 104313021434 |
6 | 5425500030 |
7 | 1302321231 |
oct | 335012062 |
9 | 131017320 |
10 | 57938994 |
11 | 2a783473 |
12 | 174a1616 |
13 | c007b39 |
14 | 79a2b18 |
15 | 5147199 |
hex | 3741432 |
57938994 has 24 divisors (see below), whose sum is σ = 125777340. Its totient is φ = 19275648.
The previous prime is 57938983. The next prime is 57939023. The reversal of 57938994 is 49983975.
It can be written as a sum of positive squares in 2 ways, for example, as 48483369 + 9455625 = 6963^2 + 3075^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 57938994.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7414 + ... + 13070.
Almost surely, 257938994 is an apocalyptic number.
57938994 is an abundant number, since it is smaller than the sum of its proper divisors (67838346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57938994 is a wasteful number, since it uses less digits than its factorization.
57938994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6234 (or 6231 counting only the distinct ones).
The product of its digits is 2449440, while the sum is 54.
The square root of 57938994 is about 7611.7668119826. The cubic root of 57938994 is about 386.9518999571.
The spelling of 57938994 in words is "fifty-seven million, nine hundred thirty-eight thousand, nine hundred ninety-four".
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