Base | Representation |
---|---|
bin | 1010001110110… |
… | …0101111110110 |
3 | 2222202012020102 |
4 | 2203230233312 |
5 | 41441202013 |
6 | 4131434102 |
7 | 1030516040 |
oct | 243545766 |
9 | 88665212 |
10 | 42912758 |
11 | 2224aa99 |
12 | 12455932 |
13 | 8b76585 |
14 | 59b0a90 |
15 | 3b79d58 |
hex | 28ecbf6 |
42912758 has 32 divisors (see below), whose sum is σ = 75302400. Its totient is φ = 17962560.
The previous prime is 42912719. The next prime is 42912769. The reversal of 42912758 is 85721924.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203273 + ... + 203483.
It is an arithmetic number, because the mean of its divisors is an integer number (2353200).
Almost surely, 242912758 is an apocalyptic number.
42912758 is a deficient number, since it is larger than the sum of its proper divisors (32389642).
42912758 is a wasteful number, since it uses less digits than its factorization.
42912758 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492.
The product of its digits is 40320, while the sum is 38.
The square root of 42912758 is about 6550.7830066336. The cubic root of 42912758 is about 350.1027127116.
The spelling of 42912758 in words is "forty-two million, nine hundred twelve thousand, seven hundred fifty-eight".
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