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50688907 = 178328429
BaseRepresentation
bin1100000101011…
…1001110001011
310112101021002221
43001113032023
5100434021112
65010234511
71153564033
oct301271613
9115337087
1050688907
1126681365
1214b85a37
13a669b49
146a368c3
1546b3e07
hex305738b

50688907 has 4 divisors (see below), whose sum is σ = 50719120. Its totient is φ = 50658696.

The previous prime is 50688899. The next prime is 50688929. The reversal of 50688907 is 70988605.

It is a happy number.

50688907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50688907 - 23 = 50688899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50688947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12432 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (12679780).

Almost surely, 250688907 is an apocalyptic number.

50688907 is a deficient number, since it is larger than the sum of its proper divisors (30213).

50688907 is a wasteful number, since it uses less digits than its factorization.

50688907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30212.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 50688907 is about 7119.6142451681. The cubic root of 50688907 is about 370.0874081294.

The spelling of 50688907 in words is "fifty million, six hundred eighty-eight thousand, nine hundred seven".

Divisors: 1 1783 28429 50688907