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50694685 = 510138937
BaseRepresentation
bin1100000101100…
…0101000011101
310112101120000221
43001120220131
5100434212220
65010321341
71153616626
oct301305035
9115346027
1050694685
1126685738
1214b89251
13a66c672
146a38a4d
1546b59aa
hex3058a1d

50694685 has 4 divisors (see below), whose sum is σ = 60833628. Its totient is φ = 40555744.

The previous prime is 50694673. The next prime is 50694689. The reversal of 50694685 is 58649605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 23299929 = 5234^2 + 4827^2 .

It is a cyclic number.

It is not a de Polignac number, because 50694685 - 27 = 50694557 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 (50694689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069464 + ... + 5069473.

It is an arithmetic number, because the mean of its divisors is an integer number (15208407).

Almost surely, 250694685 is an apocalyptic number.

It is an amenable number.

50694685 is a deficient number, since it is larger than the sum of its proper divisors (10138943).

50694685 is a wasteful number, since it uses less digits than its factorization.

50694685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138942.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 50694685 is about 7120.0200140168. The cubic root of 50694685 is about 370.1014696136.

The spelling of 50694685 in words is "fifty million, six hundred ninety-four thousand, six hundred eighty-five".

Divisors: 1 5 10138937 50694685