Base | Representation |
---|---|
bin | 1011010111110… |
… | …1011011100000 |
3 | 10022202101122211 |
4 | 2311331123200 |
5 | 44202342210 |
6 | 4422211504 |
7 | 1116304060 |
oct | 265753340 |
9 | 108671584 |
10 | 47699680 |
11 | 24a1a526 |
12 | 13b83b94 |
13 | 9b61382 |
14 | 64993a0 |
15 | 42c338a |
hex | 2d7d6e0 |
47699680 has 48 divisors (see below), whose sum is σ = 128792160. Its totient is φ = 16353792.
The previous prime is 47699651. The next prime is 47699681. The reversal of 47699680 is 8699674.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47699681) 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, 20175 + ... + 22414.
It is an arithmetic number, because the mean of its divisors is an integer number (2683170).
Almost surely, 247699680 is an apocalyptic number.
47699680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47699680 is an abundant number, since it is smaller than the sum of its proper divisors (81092480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47699680 is a wasteful number, since it uses less digits than its factorization.
47699680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42611 (or 42603 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 47699680 is about 6906.4954933743. The cubic root of 47699680 is about 362.6645911310.
The spelling of 47699680 in words is "forty-seven million, six hundred ninety-nine thousand, six hundred eighty".
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