Base | Representation |
---|---|
bin | 1100001000111… |
… | …0001001010111 |
3 | 10112210200201020 |
4 | 3002032021113 |
5 | 101013221004 |
6 | 5015132223 |
7 | 1155521652 |
oct | 302161127 |
9 | 115720636 |
10 | 50913879 |
11 | 26815395 |
12 | 15074073 |
13 | a718373 |
14 | 6a94899 |
15 | 470a8d9 |
hex | 308e257 |
50913879 has 8 divisors (see below), whose sum is σ = 70226160. Its totient is φ = 32772096.
The previous prime is 50913869. The next prime is 50913883. The reversal of 50913879 is 97831905.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50913879 - 211 = 50911831 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 50913879.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50913809) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292522 + ... + 292695.
It is an arithmetic number, because the mean of its divisors is an integer number (8778270).
Almost surely, 250913879 is an apocalyptic number.
50913879 is a deficient number, since it is larger than the sum of its proper divisors (19312281).
50913879 is a wasteful number, since it uses less digits than its factorization.
50913879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585249.
The product of its (nonzero) digits is 68040, while the sum is 42.
The square root of 50913879 is about 7135.3962048368. The cubic root of 50913879 is about 370.6341183522.
The spelling of 50913879 in words is "fifty million, nine hundred thirteen thousand, eight hundred seventy-nine".
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