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50645442 = 238440907
BaseRepresentation
bin1100000100110…
…0100111000010
310112022001111010
43001030213002
5100431123232
65005301350
71153323231
oct301144702
9115261433
1050645442
1126651741
1214b64856
13a653123
146a24b18
1546a60cc
hex304c9c2

50645442 has 8 divisors (see below), whose sum is σ = 101290896. Its totient is φ = 16881812.

The previous prime is 50645407. The next prime is 50645449. The reversal of 50645442 is 24454605.

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

50645442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (50645449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220448 + ... + 4220459.

It is an arithmetic number, because the mean of its divisors is an integer number (12661362).

Almost surely, 250645442 is an apocalyptic number.

50645442 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.

50645442 is a wasteful number, since it uses less digits than its factorization.

50645442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440912.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 50645442 is about 7116.5611077261. The cubic root of 50645442 is about 369.9815963576.

The spelling of 50645442 in words is "fifty million, six hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 8440907 16881814 25322721 50645442