Base | Representation |
---|---|
bin | 1011001101110… |
… | …0111110101011 |
3 | 10021112000010220 |
4 | 2303130332223 |
5 | 44020324400 |
6 | 4400141123 |
7 | 1110566034 |
oct | 263347653 |
9 | 107460126 |
10 | 47042475 |
11 | 24610787 |
12 | 139077a3 |
13 | 99911ac |
14 | 6367a8b |
15 | 41e37a0 |
hex | 2cdcfab |
47042475 has 24 divisors (see below), whose sum is σ = 81161472. Its totient is φ = 23997600.
The previous prime is 47042447. The next prime is 47042497. The reversal of 47042475 is 57424074.
It is not a de Polignac number, because 47042475 - 212 = 47038379 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 23 ways as a sum of consecutive naturals, for example, 11911 + ... + 15360.
It is an arithmetic number, because the mean of its divisors is an integer number (3381728).
Almost surely, 247042475 is an apocalyptic number.
47042475 is a deficient number, since it is larger than the sum of its proper divisors (34118997).
47042475 is a wasteful number, since it uses less digits than its factorization.
47042475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27307 (or 27302 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 33.
The square root of 47042475 is about 6858.7517085837. The cubic root of 47042475 is about 360.9912879679.
The spelling of 47042475 in words is "forty-seven million, forty-two thousand, four hundred seventy-five".
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