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50993994 = 238498999
BaseRepresentation
bin1100001010000…
…1101101001010
310112221202121110
43002201231022
5101023301434
65020551150
71156304352
oct302415512
9115852543
1050993994
112686a5a7
12150b24b6
13a74597c
146ab5b62
1547244e9
hex30a1b4a

50993994 has 8 divisors (see below), whose sum is σ = 101988000. Its totient is φ = 16997996.

The previous prime is 50993989. The next prime is 50994011. The reversal of 50993994 is 49939905.

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

50993994 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, 4249494 + ... + 4249505.

It is an arithmetic number, because the mean of its divisors is an integer number (12748500).

Almost surely, 250993994 is an apocalyptic number.

50993994 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.

50993994 is a wasteful number, since it uses less digits than its factorization.

50993994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499004.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 50993994 is about 7141.0079120528. The cubic root of 50993994 is about 370.8284189504.

The spelling of 50993994 in words is "fifty million, nine hundred ninety-three thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 8498999 16997998 25496997 50993994