Base | Representation |
---|---|
bin | 1101110011110… |
… | …0001111101001 |
3 | 11000222120011110 |
4 | 3130330033221 |
5 | 104311342231 |
6 | 5425220533 |
7 | 1302204300 |
oct | 334741751 |
9 | 130876143 |
10 | 57918441 |
11 | 2a769a89 |
12 | 17491749 |
13 | bccb689 |
14 | 7999437 |
15 | 5141046 |
hex | 373c3e9 |
57918441 has 48 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 30868992.
The previous prime is 57918397. The next prime is 57918461. The reversal of 57918441 is 14481975.
It is not a de Polignac number, because 57918441 - 214 = 57902057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57918441.
It is not an unprimeable number, because it can be changed into a prime (57918461) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248461 + ... + 248693.
It is an arithmetic number, because the mean of its divisors is an integer number (2000700).
Almost surely, 257918441 is an apocalyptic number.
It is an amenable number.
57918441 is a deficient number, since it is larger than the sum of its proper divisors (38115159).
57918441 is a wasteful number, since it uses less digits than its factorization.
57918441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358 (or 351 counting only the distinct ones).
The product of its digits is 40320, while the sum is 39.
The square root of 57918441 is about 7610.4166114609. The cubic root of 57918441 is about 386.9061393939.
Adding to 57918441 its product of digits (40320), we get a triangular number (57958761 = T10766).
The spelling of 57918441 in words is "fifty-seven million, nine hundred eighteen thousand, four hundred forty-one".
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