Base | Representation |
---|---|
bin | 1011011000011… |
… | …1111110001010 |
3 | 10022211120220000 |
4 | 2312013332022 |
5 | 44210232413 |
6 | 4423143430 |
7 | 1116544002 |
oct | 266077612 |
9 | 108746800 |
10 | 47742858 |
11 | 24a49a09 |
12 | 13ba4b76 |
13 | 9b77c17 |
14 | 64ab002 |
15 | 42d1073 |
hex | 2d87f8a |
47742858 has 40 divisors (see below), whose sum is σ = 112617120. Its totient is φ = 15075720.
The previous prime is 47742833. The next prime is 47742887. The reversal of 47742858 is 85824774.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4678 + ... + 10833.
It is an arithmetic number, because the mean of its divisors is an integer number (2815428).
Almost surely, 247742858 is an apocalyptic number.
47742858 is an abundant number, since it is smaller than the sum of its proper divisors (64874262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47742858 is a wasteful number, since it uses less digits than its factorization.
47742858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15544 (or 15535 counting only the distinct ones).
The product of its digits is 501760, while the sum is 45.
The square root of 47742858 is about 6909.6206842344. The cubic root of 47742858 is about 362.7739867578.
The spelling of 47742858 in words is "forty-seven million, seven hundred forty-two thousand, eight hundred fifty-eight".
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