Base | Representation |
---|---|
bin | 1011011100010… |
… | …1111001111010 |
3 | 10100022110212120 |
4 | 2313011321322 |
5 | 44241342123 |
6 | 4432422110 |
7 | 1121651412 |
oct | 267057172 |
9 | 110273776 |
10 | 47996538 |
11 | 25102567 |
12 | 140a7936 |
13 | 9c36525 |
14 | 6535642 |
15 | 43312e3 |
hex | 2dc5e7a |
47996538 has 16 divisors (see below), whose sum is σ = 100166976. Its totient is φ = 15303200.
The previous prime is 47996519. The next prime is 47996563. The reversal of 47996538 is 83569974.
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, 173763 + ... + 174038.
It is an arithmetic number, because the mean of its divisors is an integer number (6260436).
Almost surely, 247996538 is an apocalyptic number.
47996538 is an abundant number, since it is smaller than the sum of its proper divisors (52170438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47996538 is a wasteful number, since it uses less digits than its factorization.
47996538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347829.
The product of its digits is 1632960, while the sum is 51.
The square root of 47996538 is about 6927.9533774413. The cubic root of 47996538 is about 363.4153810348.
The spelling of 47996538 in words is "forty-seven million, nine hundred ninety-six thousand, five hundred thirty-eight".
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