Base | Representation |
---|---|
bin | 1011011010110… |
… | …0110110000000 |
3 | 10100010021001201 |
4 | 2312230312000 |
5 | 44230101023 |
6 | 4430310544 |
7 | 1121043220 |
oct | 266546600 |
9 | 110107051 |
10 | 47893888 |
11 | 25042429 |
12 | 14058454 |
13 | 9bcb8a3 |
14 | 650a080 |
15 | 4310bad |
hex | 2dacd80 |
47893888 has 32 divisors (see below), whose sum is σ = 109046160. Its totient is φ = 20525568.
The previous prime is 47893883. The next prime is 47893931. The reversal of 47893888 is 88839874.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47893883) 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, 25831 + ... + 27622.
Almost surely, 247893888 is an apocalyptic number.
It is an amenable number.
47893888 is an abundant number, since it is smaller than the sum of its proper divisors (61152272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47893888 is an equidigital number, since it uses as much as digits as its factorization.
47893888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53474 (or 53462 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 55.
The square root of 47893888 is about 6920.5410193134. The cubic root of 47893888 is about 363.1561177876.
The spelling of 47893888 in words is "forty-seven million, eight hundred ninety-three thousand, eight hundred eighty-eight".
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