Base | Representation |
---|---|
bin | 1011011010110… |
… | …0110010100000 |
3 | 10100010020202102 |
4 | 2312230302200 |
5 | 44230044124 |
6 | 4430305532 |
7 | 1121042450 |
oct | 266546240 |
9 | 110106672 |
10 | 47893664 |
11 | 25042245 |
12 | 140582a8 |
13 | 9bcb760 |
14 | 6509d60 |
15 | 4310aae |
hex | 2dacca0 |
47893664 has 48 divisors (see below), whose sum is σ = 116057088. Its totient is φ = 18945792.
The previous prime is 47893649. The next prime is 47893669. The reversal of 47893664 is 46639874.
It is not an unprimeable number, because it can be changed into a prime (47893669) 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, 5312 + ... + 11135.
It is an arithmetic number, because the mean of its divisors is an integer number (2417856).
Almost surely, 247893664 is an apocalyptic number.
It is an amenable number.
47893664 is an abundant number, since it is smaller than the sum of its proper divisors (68163424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47893664 is a wasteful number, since it uses less digits than its factorization.
47893664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16477 (or 16469 counting only the distinct ones).
The product of its digits is 870912, while the sum is 47.
The square root of 47893664 is about 6920.5248355887. The cubic root of 47893664 is about 363.1555516256.
The spelling of 47893664 in words is "forty-seven million, eight hundred ninety-three thousand, six hundred sixty-four".
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