Base | Representation |
---|---|
bin | 1011010000110… |
… | …1100100111011 |
3 | 10021220010012100 |
4 | 2310031210323 |
5 | 44043212111 |
6 | 4404314443 |
7 | 1112355261 |
oct | 264154473 |
9 | 107803170 |
10 | 47241531 |
11 | 24737297 |
12 | 139a2a23 |
13 | 9a3098c |
14 | 63ba431 |
15 | 4232756 |
hex | 2d0d93b |
47241531 has 12 divisors (see below), whose sum is σ = 68309280. Its totient is φ = 31461360.
The previous prime is 47241529. The next prime is 47241539. The reversal of 47241531 is 13514274.
It is not a de Polignac number, because 47241531 - 21 = 47241529 is a prime.
It is a super-2 number, since 2×472415312 = 4463524502447922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47241495 and 47241504.
It is not an unprimeable number, because it can be changed into a prime (47241539) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8926 + ... + 13196.
It is an arithmetic number, because the mean of its divisors is an integer number (5692440).
Almost surely, 247241531 is an apocalyptic number.
47241531 is a deficient number, since it is larger than the sum of its proper divisors (21067749).
47241531 is a wasteful number, since it uses less digits than its factorization.
47241531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5506 (or 5503 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 47241531 is about 6873.2474857232. The cubic root of 47241531 is about 361.4997388702.
The spelling of 47241531 in words is "forty-seven million, two hundred forty-one thousand, five hundred thirty-one".
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