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50904642 = 238484107
BaseRepresentation
bin1100001000101…
…1111001000010
310112210020001010
43002023321002
5101012422032
65015021350
71155453015
oct302137102
9115706033
1050904642
1126809458
121506a856
13a7140b9
146a9137c
154707ccc
hex308be42

50904642 has 8 divisors (see below), whose sum is σ = 101809296. Its totient is φ = 16968212.

The previous prime is 50904617. The next prime is 50904653. The reversal of 50904642 is 24640905.

It is a sphenic number, since it is the product of 3 distinct primes.

50904642 is an admirable number.

It is an unprimeable number.

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, 4242048 + ... + 4242059.

It is an arithmetic number, because the mean of its divisors is an integer number (12726162).

Almost surely, 250904642 is an apocalyptic number.

50904642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50904642 is a wasteful number, since it uses less digits than its factorization.

50904642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484112.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 50904642 is about 7134.7489093871. The cubic root of 50904642 is about 370.6117030208.

The spelling of 50904642 in words is "fifty million, nine hundred four thousand, six hundred forty-two".

Divisors: 1 2 3 6 8484107 16968214 25452321 50904642