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50913807 = 3713991733
BaseRepresentation
bin1100001000111…
…0001000001111
310112210200121120
43002032020033
5101013220212
65015132023
71155521520
oct302161017
9115720546
1050913807
112681532a
1215074013
13a718319
146a94847
15470a88c
hex308e20f

50913807 has 16 divisors (see below), whose sum is σ = 77683200. Its totient is φ = 29056032.

The previous prime is 50913803. The next prime is 50913809. The reversal of 50913807 is 70831905.

It is not a de Polignac number, because 50913807 - 22 = 50913803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50913803) 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 15 ways as a sum of consecutive naturals, for example, 28513 + ... + 30245.

It is an arithmetic number, because the mean of its divisors is an integer number (4855200).

Almost surely, 250913807 is an apocalyptic number.

50913807 is a deficient number, since it is larger than the sum of its proper divisors (26769393).

50913807 is a wasteful number, since it uses less digits than its factorization.

50913807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 50913807 is about 7135.3911595651. The cubic root of 50913807 is about 370.6339436411.

The spelling of 50913807 in words is "fifty million, nine hundred thirteen thousand, eight hundred seven".

Divisors: 1 3 7 21 1399 1733 4197 5199 9793 12131 29379 36393 2424467 7273401 16971269 50913807