Base | Representation |
---|---|
bin | 1011001111001… |
… | …1100000001011 |
3 | 10021200200200210 |
4 | 2303303200023 |
5 | 44031302411 |
6 | 4402132203 |
7 | 1111432020 |
oct | 263634013 |
9 | 107620623 |
10 | 47134731 |
11 | 24674026 |
12 | 13951063 |
13 | 99c4197 |
14 | 638d547 |
15 | 4210ca6 |
hex | 2cf380b |
47134731 has 16 divisors (see below), whose sum is σ = 72051968. Its totient is φ = 26848800.
The previous prime is 47134723. The next prime is 47134733. The reversal of 47134731 is 13743174.
47134731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47134731 - 23 = 47134723 is a prime.
It is a super-2 number, since 2×471347312 = 4443365732884722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47134733) by changing a digit.
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 in 15 ways as a sum of consecutive naturals, for example, 3561 + ... + 10341.
It is an arithmetic number, because the mean of its divisors is an integer number (4503248).
Almost surely, 247134731 is an apocalyptic number.
47134731 is a deficient number, since it is larger than the sum of its proper divisors (24917237).
47134731 is a wasteful number, since it uses less digits than its factorization.
47134731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7122.
The product of its digits is 7056, while the sum is 30.
The square root of 47134731 is about 6865.4738365243. The cubic root of 47134731 is about 361.2271164410.
The spelling of 47134731 in words is "forty-seven million, one hundred thirty-four thousand, seven hundred thirty-one".
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