Base | Representation |
---|---|
bin | 1101110001001… |
… | …0111000101101 |
3 | 11000122221210020 |
4 | 3130102320231 |
5 | 104240432122 |
6 | 5421432353 |
7 | 1300600353 |
oct | 334227055 |
9 | 130587706 |
10 | 57749037 |
11 | 2a663785 |
12 | 1740b6b9 |
13 | bc6c538 |
14 | 79537d3 |
15 | 510ac5c |
hex | 3712e2d |
57749037 has 16 divisors (see below), whose sum is σ = 81269760. Its totient is φ = 36374832.
The previous prime is 57748997. The next prime is 57749053. The reversal of 57749037 is 73094775.
It is not a de Polignac number, because 57749037 - 210 = 57748013 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57749037.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57749437) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24108 + ... + 26394.
It is an arithmetic number, because the mean of its divisors is an integer number (5079360).
Almost surely, 257749037 is an apocalyptic number.
57749037 is a gapful number since it is divisible by the number (57) formed by its first and last digit.
It is an amenable number.
57749037 is a deficient number, since it is larger than the sum of its proper divisors (23520723).
57749037 is a wasteful number, since it uses less digits than its factorization.
57749037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2752.
The product of its (nonzero) digits is 185220, while the sum is 42.
The square root of 57749037 is about 7599.2787157730. The cubic root of 57749037 is about 386.5285541055.
The spelling of 57749037 in words is "fifty-seven million, seven hundred forty-nine thousand, thirty-seven".
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