Base | Representation |
---|---|
bin | 1100011010110… |
… | …0110001100001 |
3 | 10122000100011200 |
4 | 3012230301201 |
5 | 101313303110 |
6 | 5100231413 |
7 | 1201511532 |
oct | 306546141 |
9 | 118010150 |
10 | 52087905 |
11 | 27447461 |
12 | 1553b569 |
13 | aa3985c |
14 | 6cbc689 |
15 | 488d6c0 |
hex | 31acc61 |
52087905 has 24 divisors (see below), whose sum is σ = 93200640. Its totient is φ = 26883360.
The previous prime is 52087879. The next prime is 52087913. The reversal of 52087905 is 50978025.
It is not a de Polignac number, because 52087905 - 215 = 52055137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 52087905.
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, 17275 + ... + 20064.
It is an arithmetic number, because the mean of its divisors is an integer number (3883360).
Almost surely, 252087905 is an apocalyptic number.
It is an amenable number.
52087905 is a deficient number, since it is larger than the sum of its proper divisors (41112735).
52087905 is a wasteful number, since it uses less digits than its factorization.
52087905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37381 (or 37378 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The square root of 52087905 is about 7217.1950922779. The cubic root of 52087905 is about 373.4613218874.
The spelling of 52087905 in words is "fifty-two million, eighty-seven thousand, nine hundred five".
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