Base | Representation |
---|---|
bin | 1011010101110… |
… | …0100011110000 |
3 | 10022111112222011 |
4 | 2311130203300 |
5 | 44134040130 |
6 | 4415252304 |
7 | 1115203405 |
oct | 265344360 |
9 | 108445864 |
10 | 47565040 |
11 | 24938356 |
12 | 13b1a094 |
13 | 9b14cc3 |
14 | 64622ac |
15 | 429852a |
hex | 2d5c8f0 |
47565040 has 20 divisors (see below), whose sum is σ = 110588904. Its totient is φ = 19025984.
The previous prime is 47565029. The next prime is 47565053. The reversal of 47565040 is 4056574.
It is a happy number.
47565040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (20).
It is a junction number, because it is equal to n+sod(n) for n = 47564993 and 47565011.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297202 + ... + 297361.
Almost surely, 247565040 is an apocalyptic number.
47565040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47565040 is an abundant number, since it is smaller than the sum of its proper divisors (63023864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47565040 is a wasteful number, since it uses less digits than its factorization.
47565040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 594576 (or 594570 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 47565040 is about 6896.7412594645. The cubic root of 47565040 is about 362.3230432391.
The spelling of 47565040 in words is "forty-seven million, five hundred sixty-five thousand, forty".
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