Base | Representation |
---|---|
bin | 1011011000011… |
… | …0110010100111 |
3 | 10022211100020221 |
4 | 2312012302213 |
5 | 44210104043 |
6 | 4423105211 |
7 | 1116523624 |
oct | 266066247 |
9 | 108740227 |
10 | 47738023 |
11 | 24a46313 |
12 | 13ba2207 |
13 | 9b75968 |
14 | 64a934b |
15 | 42ce8ed |
hex | 2d86ca7 |
47738023 has 4 divisors (see below), whose sum is σ = 50546160. Its totient is φ = 44929888.
The previous prime is 47738017. The next prime is 47738039. The reversal of 47738023 is 32083774.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32083774 = 2 ⋅16041887.
It is a cyclic number.
It is not a de Polignac number, because 47738023 - 225 = 14183591 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47738023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47738083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404043 + ... + 1404076.
It is an arithmetic number, because the mean of its divisors is an integer number (12636540).
Almost surely, 247738023 is an apocalyptic number.
47738023 is a deficient number, since it is larger than the sum of its proper divisors (2808137).
47738023 is a wasteful number, since it uses less digits than its factorization.
47738023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808136.
The product of its (nonzero) digits is 28224, while the sum is 34.
The square root of 47738023 is about 6909.2708008877. The cubic root of 47738023 is about 362.7617400992.
The spelling of 47738023 in words is "forty-seven million, seven hundred thirty-eight thousand, twenty-three".
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