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50911908 = 2234242659
BaseRepresentation
bin1100001000110…
…1101010100100
310112210121000020
43002031222210
5101013140113
65015115140
71155513135
oct302155244
9115717006
1050911908
1126813963
1215072ab0
13a7174b8
146a93c8c
15470a023
hex308daa4

50911908 has 12 divisors (see below), whose sum is σ = 118794480. Its totient is φ = 16970632.

The previous prime is 50911901. The next prime is 50911921. The reversal of 50911908 is 80911905.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (50911901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121318 + ... + 2121341.

It is an arithmetic number, because the mean of its divisors is an integer number (9899540).

Almost surely, 250911908 is an apocalyptic number.

It is an amenable number.

50911908 is an abundant number, since it is smaller than the sum of its proper divisors (67882572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50911908 is a wasteful number, since it uses less digits than its factorization.

50911908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242666 (or 4242664 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 50911908 is about 7135.2580892355. The cubic root of 50911908 is about 370.6293355747.

The spelling of 50911908 in words is "fifty million, nine hundred eleven thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 4242659 8485318 12727977 16970636 25455954 50911908