Base | Representation |
---|---|
bin | 1011001110011… |
… | …0100001100100 |
3 | 10021120222202221 |
4 | 2303212201210 |
5 | 44023102242 |
6 | 4401042124 |
7 | 1111121026 |
oct | 263464144 |
9 | 107528687 |
10 | 47081572 |
11 | 2463809a |
12 | 13926344 |
13 | 99a5c25 |
14 | 6378016 |
15 | 4200167 |
hex | 2ce6864 |
47081572 has 12 divisors (see below), whose sum is σ = 82899376. Its totient is φ = 23396040.
The previous prime is 47081561. The next prime is 47081579. The reversal of 47081572 is 27518074.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (47081579) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35454 + ... + 36757.
Almost surely, 247081572 is an apocalyptic number.
It is an amenable number.
47081572 is a deficient number, since it is larger than the sum of its proper divisors (35817804).
47081572 is a wasteful number, since it uses less digits than its factorization.
47081572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72378 (or 72376 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 34.
The square root of 47081572 is about 6861.6012708405. The cubic root of 47081572 is about 361.0912668929.
The spelling of 47081572 in words is "forty-seven million, eighty-one thousand, five hundred seventy-two".
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