Base | Representation |
---|---|
bin | 1100011111010… |
… | …1011110111101 |
3 | 10122120110201001 |
4 | 3013311132331 |
5 | 101402320400 |
6 | 5110450301 |
7 | 1204162030 |
oct | 307653675 |
9 | 118513631 |
10 | 52385725 |
11 | 27630197 |
12 | 15663991 |
13 | ab12292 |
14 | 6d59017 |
15 | 48eba6a |
hex | 31f57bd |
52385725 has 24 divisors (see below), whose sum is σ = 74513088. Its totient is φ = 35788800.
The previous prime is 52385701. The next prime is 52385737. The reversal of 52385725 is 52758325.
It is not a de Polignac number, because 52385725 - 211 = 52383677 is a prime.
It is a Duffinian number.
Its product of digits (84000) is a multiple of the sum of its prime divisors (1120).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81405 + ... + 82045.
It is an arithmetic number, because the mean of its divisors is an integer number (3104712).
Almost surely, 252385725 is an apocalyptic number.
It is an amenable number.
52385725 is a deficient number, since it is larger than the sum of its proper divisors (22127363).
52385725 is a wasteful number, since it uses less digits than its factorization.
52385725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).
The product of its digits is 84000, while the sum is 37.
The square root of 52385725 is about 7237.7983530905. The cubic root of 52385725 is about 374.1717423553.
The spelling of 52385725 in words is "fifty-two million, three hundred eighty-five thousand, seven hundred twenty-five".
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