Base | Representation |
---|---|
bin | 1001010110010… |
… | …10101111011000 |
3 | 12110120101221102 |
4 | 10223022233120 |
5 | 130034100143 |
6 | 11440530532 |
7 | 1641413312 |
oct | 453125730 |
9 | 173511842 |
10 | 78425048 |
11 | 402a5999 |
12 | 22320a48 |
13 | 1332b570 |
14 | a5b67b2 |
15 | 6d420b8 |
hex | 4acabd8 |
78425048 has 32 divisors (see below), whose sum is σ = 163825200. Its totient is φ = 34946688.
The previous prime is 78425033. The next prime is 78425057. The reversal of 78425048 is 84052487.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986 + ... + 16017.
Almost surely, 278425048 is an apocalyptic number.
It is an amenable number.
78425048 is an abundant number, since it is smaller than the sum of its proper divisors (85400152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78425048 is a wasteful number, since it uses less digits than its factorization.
78425048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26051 (or 26047 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 38.
The square root of 78425048 is about 8855.7917771366. The cubic root of 78425048 is about 428.0405673837.
The spelling of 78425048 in words is "seventy-eight million, four hundred twenty-five thousand, forty-eight".
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