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50018668 = 2271786381
BaseRepresentation
bin1011111011001…
…1100101101100
310111010012201021
42332303211230
5100301044133
64544023524
71145103010
oct276634554
9114105637
1050018668
1126263847
1214901ba4
13a493a5b
146900540
1545d052d
hex2fb396c

50018668 has 12 divisors (see below), whose sum is σ = 100037392. Its totient is φ = 21436560.

The previous prime is 50018653. The next prime is 50018681. The reversal of 50018668 is 86681005.

It is a happy number.

50018668 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893163 + ... + 893218.

Almost surely, 250018668 is an apocalyptic number.

It is an amenable number.

50018668 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.

50018668 is a wasteful number, since it uses less digits than its factorization.

50018668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786392 (or 1786390 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 50018668 is about 7072.3877156163. The cubic root of 50018668 is about 368.4489931592.

The spelling of 50018668 in words is "fifty million, eighteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1786381 3572762 7145524 12504667 25009334 50018668