Base | Representation |
---|---|
bin | 1100100000110… |
… | …0000001001001 |
3 | 10122202011022120 |
4 | 3020030001021 |
5 | 101413244100 |
6 | 5112441453 |
7 | 1205025105 |
oct | 310140111 |
9 | 118664276 |
10 | 52478025 |
11 | 27693576 |
12 | 156a9289 |
13 | ab452b2 |
14 | 6d80905 |
15 | 49190a0 |
hex | 320c049 |
52478025 has 24 divisors (see below), whose sum is σ = 89113344. Its totient is φ = 27230400.
The previous prime is 52477979. The next prime is 52478047. The reversal of 52478025 is 52087425.
It is not a de Polignac number, because 52478025 - 26 = 52477961 is a prime.
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, 6681 + ... + 12230.
It is an arithmetic number, because the mean of its divisors is an integer number (3713056).
Almost surely, 252478025 is an apocalyptic number.
It is an amenable number.
52478025 is a deficient number, since it is larger than the sum of its proper divisors (36635319).
52478025 is a wasteful number, since it uses less digits than its factorization.
52478025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18961 (or 18956 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 52478025 is about 7244.1717953124. The cubic root of 52478025 is about 374.3913682698.
The spelling of 52478025 in words is "fifty-two million, four hundred seventy-eight thousand, twenty-five".
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