Base | Representation |
---|---|
bin | 1011111100100… |
… | …1010111100110 |
3 | 10111021202002100 |
4 | 2333021113212 |
5 | 100311423003 |
6 | 4545552530 |
7 | 1145624052 |
oct | 277112746 |
9 | 114252070 |
10 | 50107878 |
11 | 26314877 |
12 | 14945746 |
13 | a4c5542 |
14 | 6924c62 |
15 | 45ebba3 |
hex | 2fc95e6 |
50107878 has 12 divisors (see below), whose sum is σ = 108567108. Its totient is φ = 16702620.
The previous prime is 50107861. The next prime is 50107903. The reversal of 50107878 is 87870105.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1391868 + ... + 1391903.
It is an arithmetic number, because the mean of its divisors is an integer number (9047259).
Almost surely, 250107878 is an apocalyptic number.
50107878 is an abundant number, since it is smaller than the sum of its proper divisors (58459230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50107878 is a wasteful number, since it uses less digits than its factorization.
50107878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2783779 (or 2783776 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 36.
The square root of 50107878 is about 7078.6918282971. The cubic root of 50107878 is about 368.6679101765.
The spelling of 50107878 in words is "fifty million, one hundred seven thousand, eight hundred seventy-eight".
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