Base | Representation |
---|---|
bin | 1011010001000… |
… | …0011000000101 |
3 | 10021220200221000 |
4 | 2310100120011 |
5 | 44044043442 |
6 | 4404443513 |
7 | 1112433561 |
oct | 264203005 |
9 | 107820830 |
10 | 47252997 |
11 | 24744970 |
12 | 139a9599 |
13 | 9a35c6c |
14 | 63c06a1 |
15 | 4235d4c |
hex | 2d10605 |
47252997 has 32 divisors (see below), whose sum is σ = 76752000. Its totient is φ = 28494720.
The previous prime is 47252993. The next prime is 47252999. The reversal of 47252997 is 79925274.
It is not a de Polignac number, because 47252997 - 22 = 47252993 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47252993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115329 + ... + 115737.
It is an arithmetic number, because the mean of its divisors is an integer number (2398500).
Almost surely, 247252997 is an apocalyptic number.
It is an amenable number.
47252997 is a deficient number, since it is larger than the sum of its proper divisors (29499003).
47252997 is a wasteful number, since it uses less digits than its factorization.
47252997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 818 (or 812 counting only the distinct ones).
The product of its digits is 317520, while the sum is 45.
The square root of 47252997 is about 6874.0815386494. The cubic root of 47252997 is about 361.5289830587.
The spelling of 47252997 in words is "forty-seven million, two hundred fifty-two thousand, nine hundred ninety-seven".
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