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50171942 = 225085971
BaseRepresentation
bin1011111101100…
…1000000100110
310111101222222002
42333121000212
5100321000232
64551205302
71146311612
oct277310046
9114358862
1050171942
1126358a17
1214976832
13a518752
146940342
154610b62
hex2fd9026

50171942 has 4 divisors (see below), whose sum is σ = 75257916. Its totient is φ = 25085970.

The previous prime is 50171941. The next prime is 50171971. The reversal of 50171942 is 24917105.

50171942 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, and also an emirpimes, since its reverse is a distinct semiprime: 24917105 = 54983421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50171941) 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 as a sum of consecutive naturals, namely, 12542984 + ... + 12542987.

It is an arithmetic number, because the mean of its divisors is an integer number (18814479).

Almost surely, 250171942 is an apocalyptic number.

50171942 is a deficient number, since it is larger than the sum of its proper divisors (25085974).

50171942 is a wasteful number, since it uses less digits than its factorization.

50171942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25085973.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 50171942 is about 7083.2155127456. The cubic root of 50171942 is about 368.8249598831.

The spelling of 50171942 in words is "fifty million, one hundred seventy-one thousand, nine hundred forty-two".

Divisors: 1 2 25085971 50171942