Base | Representation |
---|---|
bin | 1011010101010… |
… | …0100101110010 |
3 | 10022102220012100 |
4 | 2311110211302 |
5 | 44132014102 |
6 | 4414441230 |
7 | 1115006301 |
oct | 265244562 |
9 | 108386170 |
10 | 47532402 |
11 | 24915885 |
12 | 13b03216 |
13 | 9b031a8 |
14 | 6454438 |
15 | 428da1c |
hex | 2d54972 |
47532402 has 12 divisors (see below), whose sum is σ = 102986910. Its totient is φ = 15844128.
The previous prime is 47532389. The next prime is 47532403. The reversal of 47532402 is 20423574.
47532402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 24000201 + 23532201 = 4899^2 + 4851^2 .
It is not an unprimeable number, because it can be changed into a prime (47532403) 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 5 ways as a sum of consecutive naturals, for example, 1320327 + ... + 1320362.
Almost surely, 247532402 is an apocalyptic number.
47532402 is an abundant number, since it is smaller than the sum of its proper divisors (55454508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47532402 is a wasteful number, since it uses less digits than its factorization.
47532402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2640697 (or 2640694 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
The square root of 47532402 is about 6894.3746634485. The cubic root of 47532402 is about 362.2401517897.
Adding to 47532402 its reverse (20423574), we get a palindrome (67955976).
The spelling of 47532402 in words is "forty-seven million, five hundred thirty-two thousand, four hundred two".
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