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50878930 = 255087893
BaseRepresentation
bin1100001000010…
…1100111010010
310112201220202211
43002011213102
5101011111210
65014302334
71155315034
oct302054722
9115656684
1050878930
11267a1103
12150579aa
13a70549b
146a85c54
15470038a
hex30859d2

50878930 has 8 divisors (see below), whose sum is σ = 91582092. Its totient is φ = 20351568.

The previous prime is 50878913. The next prime is 50878937. The reversal of 50878930 is 3987805.

It can be written as a sum of positive squares in 2 ways, for example, as 44930209 + 5948721 = 6703^2 + 2439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (50878937) by changing a digit.

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, 2543937 + ... + 2543956.

Almost surely, 250878930 is an apocalyptic number.

50878930 is a deficient number, since it is larger than the sum of its proper divisors (40703162).

50878930 is a wasteful number, since it uses less digits than its factorization.

50878930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087900.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 50878930 is about 7132.9467963809. The cubic root of 50878930 is about 370.5492936964.

The spelling of 50878930 in words is "fifty million, eight hundred seventy-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 5087893 10175786 25439465 50878930