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50857944 = 23310120981
BaseRepresentation
bin1100001000000…
…0011111011000
310112200211222120
43002000133120
5101004423234
65014021240
71155166614
oct302003730
9115624876
1050857944
1126787365
1215047820
13a6c8a77
146a7c344
1546e9049
hex30807d8

50857944 has 32 divisors (see below), whose sum is σ = 128409840. Its totient is φ = 16784000.

The previous prime is 50857921. The next prime is 50857951. The reversal of 50857944 is 44975805.

It is a junction number, because it is equal to n+sod(n) for n = 50857896 and 50857905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8067 + ... + 12914.

Almost surely, 250857944 is an apocalyptic number.

It is an amenable number.

50857944 is an abundant number, since it is smaller than the sum of its proper divisors (77551896).

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

50857944 is a wasteful number, since it uses less digits than its factorization.

50857944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091 (or 21087 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 50857944 is about 7131.4755836363. The cubic root of 50857944 is about 370.4983399460.

The spelling of 50857944 in words is "fifty million, eight hundred fifty-seven thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 101 202 303 404 606 808 1212 2424 20981 41962 62943 83924 125886 167848 251772 503544 2119081 4238162 6357243 8476324 12714486 16952648 25428972 50857944