Base | Representation |
---|---|
bin | 1101100110010… |
… | …1011110101101 |
3 | 10222022212110212 |
4 | 3121211132231 |
5 | 104100220030 |
6 | 5354312205 |
7 | 1261551530 |
oct | 331453655 |
9 | 128285425 |
10 | 57038765 |
11 | 2a219083 |
12 | 17128665 |
13 | ba81164 |
14 | 780aa17 |
15 | 501a595 |
hex | 36657ad |
57038765 has 16 divisors (see below), whose sum is σ = 79107840. Its totient is φ = 38670720.
The previous prime is 57038713. The next prime is 57038767. The reversal of 57038765 is 56783075.
It is not a de Polignac number, because 57038765 - 26 = 57038701 is a prime.
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, 6041 + ... + 12270.
It is an arithmetic number, because the mean of its divisors is an integer number (4944240).
Almost surely, 257038765 is an apocalyptic number.
It is an amenable number.
57038765 is a deficient number, since it is larger than the sum of its proper divisors (22069075).
57038765 is a wasteful number, since it uses less digits than its factorization.
57038765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18412.
The product of its (nonzero) digits is 176400, while the sum is 41.
The square root of 57038765 is about 7552.4012737672. The cubic root of 57038765 is about 384.9373373025.
The spelling of 57038765 in words is "fifty-seven million, thirty-eight thousand, seven hundred sixty-five".
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