Base | Representation |
---|---|
bin | 1011010101101… |
… | …1110011001000 |
3 | 10022111101200220 |
4 | 2311123303020 |
5 | 44133440203 |
6 | 4415230040 |
7 | 1115161341 |
oct | 265336310 |
9 | 108441626 |
10 | 47561928 |
11 | 24935a87 |
12 | 13b18320 |
13 | 9b1376b |
14 | 64610c8 |
15 | 4297653 |
hex | 2d5bcc8 |
47561928 has 32 divisors (see below), whose sum is σ = 120022560. Its totient is φ = 15704960.
The previous prime is 47561897. The next prime is 47561929. The reversal of 47561928 is 82916574.
It is a self number, because there is not a number n which added to its sum of digits gives 47561928.
It is not an unprimeable number, because it can be changed into a prime (47561929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6693 + ... + 11828.
It is an arithmetic number, because the mean of its divisors is an integer number (3750705).
Almost surely, 247561928 is an apocalyptic number.
It is an amenable number.
47561928 is an abundant number, since it is smaller than the sum of its proper divisors (72460632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47561928 is a wasteful number, since it uses less digits than its factorization.
47561928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18637 (or 18633 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 47561928 is about 6896.5156419746. The cubic root of 47561928 is about 362.3151412596.
The spelling of 47561928 in words is "forty-seven million, five hundred sixty-one thousand, nine hundred twenty-eight".
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