Base | Representation |
---|---|
bin | 1011011000111… |
… | …1100101001111 |
3 | 10022220011122120 |
4 | 2312033211033 |
5 | 44212232111 |
6 | 4423544023 |
7 | 1120033614 |
oct | 266174517 |
9 | 108804576 |
10 | 47774031 |
11 | 24a70378 |
12 | 13bbb013 |
13 | 9b89176 |
14 | 64b850b |
15 | 42da406 |
hex | 2d8f94f |
47774031 has 8 divisors (see below), whose sum is σ = 63739824. Its totient is φ = 31828800.
The previous prime is 47774017. The next prime is 47774039. The reversal of 47774031 is 13047774.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47774031 - 210 = 47773007 is a prime.
It is a super-2 number, since 2×477740312 = 4564716075977922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47773983 and 47774001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47774039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515 + ... + 9891.
It is an arithmetic number, because the mean of its divisors is an integer number (7967478).
Almost surely, 247774031 is an apocalyptic number.
47774031 is a deficient number, since it is larger than the sum of its proper divisors (15965793).
47774031 is a wasteful number, since it uses less digits than its factorization.
47774031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10281.
The product of its (nonzero) digits is 16464, while the sum is 33.
The square root of 47774031 is about 6911.8760839587. The cubic root of 47774031 is about 362.8529255671.
The spelling of 47774031 in words is "forty-seven million, seven hundred seventy-four thousand, thirty-one".
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