Base | Representation |
---|---|
bin | 1100001000010… |
… | …1011111011111 |
3 | 10112201220002100 |
4 | 3002011133133 |
5 | 101011102211 |
6 | 5014300143 |
7 | 1155313422 |
oct | 302053737 |
9 | 115656070 |
10 | 50878431 |
11 | 267a079a |
12 | 15057653 |
13 | a7051a6 |
14 | 6a859b9 |
15 | 4700156 |
hex | 30857df |
50878431 has 12 divisors (see below), whose sum is σ = 73569808. Its totient is φ = 33882624.
The previous prime is 50878427. The next prime is 50878483. The reversal of 50878431 is 13487805.
It is not a de Polignac number, because 50878431 - 22 = 50878427 is a prime.
It is a super-2 number, since 2×508784312 = 5177229482043522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50874431) 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, 7926 + ... + 12828.
Almost surely, 250878431 is an apocalyptic number.
50878431 is a deficient number, since it is larger than the sum of its proper divisors (22691377).
50878431 is a wasteful number, since it uses less digits than its factorization.
50878431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6062 (or 6059 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 50878431 is about 7132.9118177642. The cubic root of 50878431 is about 370.5480822932.
The spelling of 50878431 in words is "fifty million, eight hundred seventy-eight thousand, four hundred thirty-one".
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