Base | Representation |
---|---|
bin | 1100110110100… |
… | …0100111010000 |
3 | 10202102200221210 |
4 | 3031220213100 |
5 | 102244441442 |
6 | 5203220120 |
7 | 1223122656 |
oct | 315504720 |
9 | 122380853 |
10 | 53905872 |
11 | 28479309 |
12 | 16077640 |
13 | b225187 |
14 | 7232dd6 |
15 | 4aec19c |
hex | 33689d0 |
53905872 has 40 divisors (see below), whose sum is σ = 139549600. Its totient is φ = 17930880.
The previous prime is 53905853. The next prime is 53905889. The reversal of 53905872 is 27850935.
It is a self number, because there is not a number n which added to its sum of digits gives 53905872.
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, 30879 + ... + 32577.
It is an arithmetic number, because the mean of its divisors is an integer number (3488740).
Almost surely, 253905872 is an apocalyptic number.
It is an amenable number.
53905872 is an abundant number, since it is smaller than the sum of its proper divisors (85643728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53905872 is a wasteful number, since it uses less digits than its factorization.
53905872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2371 (or 2365 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 39.
The square root of 53905872 is about 7342.0618357516. The cubic root of 53905872 is about 377.7565690003.
The spelling of 53905872 in words is "fifty-three million, nine hundred five thousand, eight hundred seventy-two".
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