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50212039 = 173290243
BaseRepresentation
bin1011111110001…
…0110011000111
310111111000222011
42333202303013
5100323241124
64552115051
71146536533
oct277426307
9114430864
1050212039
1126386059
1214995a87
13a530a87
146950bc3
15461c994
hex2fe2cc7

50212039 has 4 divisors (see below), whose sum is σ = 50502456. Its totient is φ = 49921624.

The previous prime is 50212037. The next prime is 50212051. The reversal of 50212039 is 93021205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93021205 = 518604241.

It is a cyclic number.

It is not a de Polignac number, because 50212039 - 21 = 50212037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50212031) 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, 144949 + ... + 145294.

It is an arithmetic number, because the mean of its divisors is an integer number (12625614).

Almost surely, 250212039 is an apocalyptic number.

50212039 is a deficient number, since it is larger than the sum of its proper divisors (290417).

50212039 is a wasteful number, since it uses less digits than its factorization.

50212039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290416.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 50212039 is about 7086.0453710091. The cubic root of 50212039 is about 368.9231876700.

The spelling of 50212039 in words is "fifty million, two hundred twelve thousand, thirty-nine".

Divisors: 1 173 290243 50212039