Base | Representation |
---|---|
bin | 1011010001101… |
… | …0100111001000 |
3 | 10021222211102201 |
4 | 2310122213020 |
5 | 44101414140 |
6 | 4405405544 |
7 | 1113000031 |
oct | 264324710 |
9 | 107884381 |
10 | 47294920 |
11 | 24773412 |
12 | 13a098b4 |
13 | 9a4c07a |
14 | 63d1a88 |
15 | 424349a |
hex | 2d1a9c8 |
47294920 has 32 divisors (see below), whose sum is σ = 106830720. Its totient is φ = 18843840.
The previous prime is 47294909. The next prime is 47294941. The reversal of 47294920 is 2949274.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 47294920.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8659 + ... + 13021.
It is an arithmetic number, because the mean of its divisors is an integer number (3338460).
Almost surely, 247294920 is an apocalyptic number.
47294920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47294920 is an abundant number, since it is smaller than the sum of its proper divisors (59535800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47294920 is a wasteful number, since it uses less digits than its factorization.
47294920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4645 (or 4641 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 47294920 is about 6877.1302154314. The cubic root of 47294920 is about 361.6358679864.
The spelling of 47294920 in words is "forty-seven million, two hundred ninety-four thousand, nine hundred twenty".
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