Base | Representation |
---|---|
bin | 1101110100101… |
… | …1010001011111 |
3 | 11001002200121101 |
4 | 3131023101133 |
5 | 104320324444 |
6 | 5430413531 |
7 | 1302551620 |
oct | 335132137 |
9 | 131080541 |
10 | 57979999 |
11 | 2a801260 |
12 | 175012a7 |
13 | c0206bc |
14 | 79b3a47 |
15 | 51543d4 |
hex | 374b45f |
57979999 has 32 divisors (see below), whose sum is σ = 75995136. Its totient is φ = 42923520.
The previous prime is 57979993. The next prime is 57980003. The reversal of 57979999 is 99997975.
It is a cyclic number.
It is not a de Polignac number, because 57979999 - 27 = 57979871 is a prime.
57979999 is a modest number, since divided by 9999 gives 5797 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 57979999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57979993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133687 + ... + 134119.
It is an arithmetic number, because the mean of its divisors is an integer number (2374848).
Almost surely, 257979999 is an apocalyptic number.
57979999 is a deficient number, since it is larger than the sum of its proper divisors (18015137).
57979999 is a wasteful number, since it uses less digits than its factorization.
57979999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535.
The product of its digits is 14467005, while the sum is 64.
The square root of 57979999 is about 7614.4598626561. The cubic root of 57979999 is about 387.0431638876.
The spelling of 57979999 in words is "fifty-seven million, nine hundred seventy-nine thousand, nine hundred ninety-nine".
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