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50893921 = 137353629
BaseRepresentation
bin1100001000100…
…1010001100001
310112202200100001
43002021101201
5101012101141
65014500001
71155406531
oct302112141
9115680301
1050893921
11268013a1
1215064601
13a70c260
146a8b4c1
154704a31
hex3089461

50893921 has 8 divisors (see below), whose sum is σ = 55560680. Its totient is φ = 46334592.

The previous prime is 50893889. The next prime is 50893961. The reversal of 50893921 is 12939805.

It can be written as a sum of positive squares in 4 ways, for example, as 12006225 + 38887696 = 3465^2 + 6236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50893921 - 25 = 50893889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50893961) 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, 25866 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (6945085).

Almost surely, 250893921 is an apocalyptic number.

It is an amenable number.

50893921 is a deficient number, since it is larger than the sum of its proper divisors (4666759).

50893921 is a wasteful number, since it uses less digits than its factorization.

50893921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53715.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50893921 is about 7133.9975469578. The cubic root of 50893921 is about 370.5856830818.

The spelling of 50893921 in words is "fifty million, eight hundred ninety-three thousand, nine hundred twenty-one".

Divisors: 1 13 73 949 53629 697177 3914917 50893921