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50890957 = 133914689
BaseRepresentation
bin1100001000100…
…0100011001101
310112202112021021
43002020203031
5101012002312
65014434141
71155365065
oct302104315
9115675237
1050890957
11267aa147
1215062951
13a70aac0
146a8a3a5
154703c07
hex30888cd

50890957 has 4 divisors (see below), whose sum is σ = 54805660. Its totient is φ = 46976256.

The previous prime is 50890943. The next prime is 50890967. The reversal of 50890957 is 75909805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 45846441 = 2246^2 + 6771^2 .

It is a cyclic number.

It is not a de Polignac number, because 50890957 - 215 = 50858189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50890907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957332 + ... + 1957357.

It is an arithmetic number, because the mean of its divisors is an integer number (13701415).

Almost surely, 250890957 is an apocalyptic number.

It is an amenable number.

50890957 is a deficient number, since it is larger than the sum of its proper divisors (3914703).

50890957 is a wasteful number, since it uses less digits than its factorization.

50890957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914702.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 50890957 is about 7133.7898062671. The cubic root of 50890957 is about 370.5784887892.

The spelling of 50890957 in words is "fifty million, eight hundred ninety thousand, nine hundred fifty-seven".

Divisors: 1 13 3914689 50890957