Base | Representation |
---|---|
bin | 1011010011001… |
… | …1010010111111 |
3 | 10022011222010120 |
4 | 2310303102333 |
5 | 44113133111 |
6 | 4411510023 |
7 | 1113600564 |
oct | 264632277 |
9 | 108158116 |
10 | 47396031 |
11 | 24832381 |
12 | 13a58313 |
13 | 9a860b7 |
14 | 641a86b |
15 | 4263406 |
hex | 2d334bf |
47396031 has 16 divisors (see below), whose sum is σ = 66393600. Its totient is φ = 30016800.
The previous prime is 47396021. The next prime is 47396039. The reversal of 47396031 is 13069374.
It is not a de Polignac number, because 47396031 - 221 = 45298879 is a prime.
It is a super-2 number, since 2×473960312 = 4492767509105922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47395983 and 47396001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47396039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8145 + ... + 12693.
It is an arithmetic number, because the mean of its divisors is an integer number (4149600).
Almost surely, 247396031 is an apocalyptic number.
47396031 is a deficient number, since it is larger than the sum of its proper divisors (18997569).
47396031 is a wasteful number, since it uses less digits than its factorization.
47396031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4726.
The product of its (nonzero) digits is 13608, while the sum is 33.
The square root of 47396031 is about 6884.4775400897. The cubic root of 47396031 is about 361.8933962626.
The spelling of 47396031 in words is "forty-seven million, three hundred ninety-six thousand, thirty-one".
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