Base | Representation |
---|---|
bin | 1101101011100… |
… | …0000011100001 |
3 | 10222222001102211 |
4 | 3122320003201 |
5 | 104142030433 |
6 | 5405442121 |
7 | 1264460602 |
oct | 332700341 |
9 | 128861384 |
10 | 57376993 |
11 | 2a42a203 |
12 | 17270341 |
13 | bb6c0ab |
14 | 7897da9 |
15 | 50858cd |
hex | 36b80e1 |
57376993 has 8 divisors (see below), whose sum is σ = 59884200. Its totient is φ = 54905088.
The previous prime is 57376981. The next prime is 57376997. The reversal of 57376993 is 39967375.
It can be written as a sum of positive squares in 4 ways, for example, as 4276624 + 53100369 = 2068^2 + 7287^2 .
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-57376993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57376997) 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, 5478 + ... + 12031.
It is an arithmetic number, because the mean of its divisors is an integer number (7485525).
Almost surely, 257376993 is an apocalyptic number.
It is an amenable number.
57376993 is a deficient number, since it is larger than the sum of its proper divisors (2507207).
57376993 is a wasteful number, since it uses less digits than its factorization.
57376993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17651.
The product of its digits is 1071630, while the sum is 49.
The square root of 57376993 is about 7574.7602602327. The cubic root of 57376993 is about 385.6967043982.
The spelling of 57376993 in words is "fifty-seven million, three hundred seventy-six thousand, nine hundred ninety-three".
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