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50393879 = 312411279
BaseRepresentation
bin1100000000111…
…1001100010111
310111211021101222
43000033030113
5100400101004
65000040555
71151224634
oct300171427
9114737358
1050393879
112649a738
1214a6315b
13a595783
14699b18b
1546567be
hex300f317

50393879 has 12 divisors (see below), whose sum is σ = 53383680. Its totient is φ = 47541600.

The previous prime is 50393873. The next prime is 50393887. The reversal of 50393879 is 97839305.

It is a de Polignac number, because none of the positive numbers 2k-50393879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50393873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38762 + ... + 40040.

It is an arithmetic number, because the mean of its divisors is an integer number (4448640).

Almost surely, 250393879 is an apocalyptic number.

50393879 is a deficient number, since it is larger than the sum of its proper divisors (2989801).

50393879 is a wasteful number, since it uses less digits than its factorization.

50393879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 50393879 is about 7098.8646275302. The cubic root of 50393879 is about 369.3679958265.

The spelling of 50393879 in words is "fifty million, three hundred ninety-three thousand, eight hundred seventy-nine".

Divisors: 1 31 41 961 1271 1279 39401 39649 52439 1229119 1625609 50393879