Base | Representation |
---|---|
bin | 1101100110010… |
… | …1011110100101 |
3 | 10222022212110120 |
4 | 3121211132211 |
5 | 104100220012 |
6 | 5354312153 |
7 | 1261551516 |
oct | 331453645 |
9 | 128285416 |
10 | 57038757 |
11 | 2a219076 |
12 | 17128659 |
13 | ba81159 |
14 | 780aa0d |
15 | 501a58c |
hex | 36657a5 |
57038757 has 16 divisors (see below), whose sum is σ = 80678592. Its totient is φ = 35720960.
The previous prime is 57038713. The next prime is 57038767. The reversal of 57038757 is 75783075.
It is a cyclic number.
It is not a de Polignac number, because 57038757 - 26 = 57038693 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57038767) 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, 47707 + ... + 48887.
It is an arithmetic number, because the mean of its divisors is an integer number (5042412).
Almost surely, 257038757 is an apocalyptic number.
It is an amenable number.
57038757 is a deficient number, since it is larger than the sum of its proper divisors (23639835).
57038757 is a wasteful number, since it uses less digits than its factorization.
57038757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148.
The product of its (nonzero) digits is 205800, while the sum is 42.
The square root of 57038757 is about 7552.4007441343. The cubic root of 57038757 is about 384.9373193060.
The spelling of 57038757 in words is "fifty-seven million, thirty-eight thousand, seven hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •