Base | Representation |
---|---|
bin | 1011010100100… |
… | …1100111110000 |
3 | 10022100121120021 |
4 | 2311021213300 |
5 | 44124044342 |
6 | 4413453224 |
7 | 1114431304 |
oct | 265114760 |
9 | 108317507 |
10 | 47487472 |
11 | 2489504a |
12 | 13aa1214 |
13 | 9ab88c6 |
14 | 6441d04 |
15 | 4280567 |
hex | 2d499f0 |
47487472 has 10 divisors (see below), whose sum is σ = 92007008. Its totient is φ = 23743728.
The previous prime is 47487469. The next prime is 47487481. The reversal of 47487472 is 27478474.
It is a happy number.
47487472 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 as a sum of consecutive naturals, namely, 1483968 + ... + 1483999.
Almost surely, 247487472 is an apocalyptic number.
It is an amenable number.
47487472 is a deficient number, since it is larger than the sum of its proper divisors (44519536).
47487472 is a wasteful number, since it uses less digits than its factorization.
47487472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2967975 (or 2967969 counting only the distinct ones).
The product of its digits is 351232, while the sum is 43.
The square root of 47487472 is about 6891.1154394626. The cubic root of 47487472 is about 362.1259799816.
The spelling of 47487472 in words is "forty-seven million, four hundred eighty-seven thousand, four hundred seventy-two".
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