Base | Representation |
---|---|
bin | 1011010011111… |
… | …0101100100101 |
3 | 10022021100011222 |
4 | 2310332230211 |
5 | 44121131400 |
6 | 4412510125 |
7 | 1114153661 |
oct | 264765445 |
9 | 108240158 |
10 | 47442725 |
11 | 24864470 |
12 | 13a7b345 |
13 | 9aa1425 |
14 | 642d8a1 |
15 | 4272185 |
hex | 2d3eb25 |
47442725 has 12 divisors (see below), whose sum is σ = 64177440. Its totient is φ = 34503600.
The previous prime is 47442713. The next prime is 47442737. The reversal of 47442725 is 52724474.
It is an interprime number because it is at equal distance from previous prime (47442713) and next prime (47442737).
It is not a de Polignac number, because 47442725 - 24 = 47442709 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85985 + ... + 86534.
It is an arithmetic number, because the mean of its divisors is an integer number (5348120).
Almost surely, 247442725 is an apocalyptic number.
It is an amenable number.
47442725 is a deficient number, since it is larger than the sum of its proper divisors (16734715).
47442725 is a wasteful number, since it uses less digits than its factorization.
47442725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172540 (or 172535 counting only the distinct ones).
The product of its digits is 62720, while the sum is 35.
The square root of 47442725 is about 6887.8679575033. The cubic root of 47442725 is about 362.0122015972.
The spelling of 47442725 in words is "forty-seven million, four hundred forty-two thousand, seven hundred twenty-five".
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