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50113687 = 133854899
BaseRepresentation
bin1011111100101…
…0110010010111
310111022001001111
42333022302113
5100312114222
64550035451
71145650021
oct277126227
9114261044
1050113687
1126319178
1214948b87
13a4c8090
146927011
1545ed777
hex2fcac97

50113687 has 4 divisors (see below), whose sum is σ = 53968600. Its totient is φ = 46258776.

The previous prime is 50113681. The next prime is 50113709. The reversal of 50113687 is 78631105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50113687 - 27 = 50113559 is a prime.

It is a super-2 number, since 2×501136872 = 5022763249467938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50113681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927437 + ... + 1927462.

It is an arithmetic number, because the mean of its divisors is an integer number (13492150).

Almost surely, 250113687 is an apocalyptic number.

50113687 is a deficient number, since it is larger than the sum of its proper divisors (3854913).

50113687 is a wasteful number, since it uses less digits than its factorization.

50113687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854912.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50113687 is about 7079.1021323329. The cubic root of 50113687 is about 368.6821561675.

The spelling of 50113687 in words is "fifty million, one hundred thirteen thousand, six hundred eighty-seven".

Divisors: 1 13 3854899 50113687