Base | Representation |
---|---|
bin | 1011010101011… |
… | …1001010111111 |
3 | 10022110102200221 |
4 | 2311113022333 |
5 | 44132333400 |
6 | 4415002211 |
7 | 1115052154 |
oct | 265271277 |
9 | 108412627 |
10 | 47542975 |
11 | 24922817 |
12 | 13b09367 |
13 | 9b07c4c |
14 | 645822b |
15 | 4291c1a |
hex | 2d572bf |
47542975 has 6 divisors (see below), whose sum is σ = 58953320. Its totient is φ = 38034360.
The previous prime is 47542927. The next prime is 47543003. The reversal of 47542975 is 57924574.
It is not a de Polignac number, because 47542975 - 213 = 47534783 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950835 + ... + 950884.
Almost surely, 247542975 is an apocalyptic number.
47542975 is a deficient number, since it is larger than the sum of its proper divisors (11410345).
47542975 is a wasteful number, since it uses less digits than its factorization.
47542975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1901729 (or 1901724 counting only the distinct ones).
The product of its digits is 352800, while the sum is 43.
The square root of 47542975 is about 6895.1414053665. The cubic root of 47542975 is about 362.2670084252.
The spelling of 47542975 in words is "forty-seven million, five hundred forty-two thousand, nine hundred seventy-five".
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