Base | Representation |
---|---|
bin | 1011111111111… |
… | …1111100101110 |
3 | 10111201002202100 |
4 | 2333333330232 |
5 | 100341101223 |
6 | 4554435530 |
7 | 1150544613 |
oct | 277777456 |
9 | 114632670 |
10 | 50331438 |
11 | 26457833 |
12 | 14a32ba6 |
13 | a573221 |
14 | 698250a |
15 | 4643043 |
hex | 2ffff2e |
50331438 has 24 divisors (see below), whose sum is σ = 109231200. Its totient is φ = 16749504.
The previous prime is 50331427. The next prime is 50331439. The reversal of 50331438 is 83413305.
It is a happy number.
It is a super-2 number, since 2×503314382 = 5066507302295688, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50331439) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10998 + ... + 14886.
It is an arithmetic number, because the mean of its divisors is an integer number (4551300).
Almost surely, 250331438 is an apocalyptic number.
50331438 is an abundant number, since it is smaller than the sum of its proper divisors (58899762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50331438 is a wasteful number, since it uses less digits than its factorization.
50331438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4616 (or 4613 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 50331438 is about 7094.4653075478. The cubic root of 50331438 is about 369.2153765017.
The spelling of 50331438 in words is "fifty million, three hundred thirty-one thousand, four hundred thirty-eight".
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