Base | Representation |
---|---|
bin | 1011010100101… |
… | …0110101111000 |
3 | 10022100212102110 |
4 | 2311022311320 |
5 | 44124224342 |
6 | 4413532320 |
7 | 1114452006 |
oct | 265126570 |
9 | 108325373 |
10 | 47492472 |
11 | 24898885 |
12 | 13aa40a0 |
13 | 9abac71 |
14 | 6443a76 |
15 | 4281c9c |
hex | 2d4ad78 |
47492472 has 16 divisors (see below), whose sum is σ = 118731240. Its totient is φ = 15830816.
The previous prime is 47492453. The next prime is 47492477. The reversal of 47492472 is 27429474.
It is a self number, because there is not a number n which added to its sum of digits gives 47492472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47492477) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989403 + ... + 989450.
Almost surely, 247492472 is an apocalyptic number.
It is an amenable number.
47492472 is an abundant number, since it is smaller than the sum of its proper divisors (71238768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47492472 is a wasteful number, since it uses less digits than its factorization.
47492472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1978862 (or 1978858 counting only the distinct ones).
The product of its digits is 112896, while the sum is 39.
The square root of 47492472 is about 6891.4782158837. The cubic root of 47492472 is about 362.1386890624.
The spelling of 47492472 in words is "forty-seven million, four hundred ninety-two thousand, four hundred seventy-two".
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