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50940813 = 37111032141
BaseRepresentation
bin1100001001010…
…0101110001101
310112212001122210
43002110232031
5101020101223
65015501033
71155663330
oct302245615
9115761583
1050940813
1126833650
1215087779
13a7276c1
146aa0617
154713893
hex3094b8d

50940813 has 32 divisors (see below), whose sum is σ = 85542912. Its totient is φ = 26193600.

The previous prime is 50940797. The next prime is 50940833. The reversal of 50940813 is 31804905.

It is not a de Polignac number, because 50940813 - 24 = 50940797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50940833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22723 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (2673216).

Almost surely, 250940813 is an apocalyptic number.

It is an amenable number.

50940813 is a deficient number, since it is larger than the sum of its proper divisors (34602099).

50940813 is a wasteful number, since it uses less digits than its factorization.

50940813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50940813 is about 7137.2833066931. The cubic root of 50940813 is about 370.6994633344.

The spelling of 50940813 in words is "fifty million, nine hundred forty thousand, eight hundred thirteen".

Divisors: 1 3 7 11 21 33 77 103 231 309 721 1133 2141 2163 3399 6423 7931 14987 23551 23793 44961 70653 164857 220523 494571 661569 1543661 2425753 4630983 7277259 16980271 50940813