Base | Representation |
---|---|
bin | 1011010000111… |
… | …1110111001011 |
3 | 10021220121001000 |
4 | 2310033313023 |
5 | 44044012031 |
6 | 4404430043 |
7 | 1112424462 |
oct | 264176713 |
9 | 107817030 |
10 | 47250891 |
11 | 24743326 |
12 | 139a8323 |
13 | 9a3500c |
14 | 63bd9d9 |
15 | 42353e6 |
hex | 2d0fdcb |
47250891 has 16 divisors (see below), whose sum is σ = 73686400. Its totient is φ = 29842344.
The previous prime is 47250881. The next prime is 47250893. The reversal of 47250891 is 19805274.
It is not a de Polignac number, because 47250891 - 211 = 47248843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47250893) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45541 + ... + 46566.
It is an arithmetic number, because the mean of its divisors is an integer number (4605400).
Almost surely, 247250891 is an apocalyptic number.
47250891 is a deficient number, since it is larger than the sum of its proper divisors (26435509).
47250891 is a wasteful number, since it uses less digits than its factorization.
47250891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92135 (or 92129 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 47250891 is about 6873.9283528416. The cubic root of 47250891 is about 361.5236120318.
The spelling of 47250891 in words is "forty-seven million, two hundred fifty thousand, eight hundred ninety-one".
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