Base | Representation |
---|---|
bin | 1011010100011… |
… | …0011101011000 |
3 | 10022022221210120 |
4 | 2311012131120 |
5 | 44123141040 |
6 | 4413313240 |
7 | 1114345452 |
oct | 265063530 |
9 | 108287716 |
10 | 47474520 |
11 | 24886345 |
12 | 13a95820 |
13 | 9ab2a42 |
14 | 643b2d2 |
15 | 427b7d0 |
hex | 2d46758 |
47474520 has 32 divisors (see below), whose sum is σ = 142423920. Its totient is φ = 12659840.
The previous prime is 47474513. The next prime is 47474549. The reversal of 47474520 is 2547474.
47474520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197691 + ... + 197930.
Almost surely, 247474520 is an apocalyptic number.
47474520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47474520 is an abundant number, since it is smaller than the sum of its proper divisors (94949400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47474520 is a wasteful number, since it uses less digits than its factorization.
47474520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395635 (or 395631 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 33.
The square root of 47474520 is about 6890.1756145979. The cubic root of 47474520 is about 362.0930542297.
The spelling of 47474520 in words is "forty-seven million, four hundred seventy-four thousand, five hundred twenty".
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