Base | Representation |
---|---|
bin | 1011011000011… |
… | …1111001000000 |
3 | 10022211120102210 |
4 | 2312013321000 |
5 | 44210230103 |
6 | 4423142120 |
7 | 1116543021 |
oct | 266077100 |
9 | 108746383 |
10 | 47742528 |
11 | 24a49739 |
12 | 13ba4940 |
13 | 9b77a22 |
14 | 64aac48 |
15 | 42d0e03 |
hex | 2d87e40 |
47742528 has 56 divisors (see below), whose sum is σ = 133758432. Its totient is φ = 14977024.
The previous prime is 47742521. The next prime is 47742529. The reversal of 47742528 is 82524774.
It is not an unprimeable number, because it can be changed into a prime (47742521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050 + ... + 10577.
Almost surely, 247742528 is an apocalyptic number.
47742528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
47742528 is an abundant number, since it is smaller than the sum of its proper divisors (86015904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47742528 is a wasteful number, since it uses less digits than its factorization.
47742528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14659 (or 14649 counting only the distinct ones).
The product of its digits is 125440, while the sum is 39.
The square root of 47742528 is about 6909.5968044452. The cubic root of 47742528 is about 362.7731509211.
The spelling of 47742528 in words is "forty-seven million, seven hundred forty-two thousand, five hundred twenty-eight".
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