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50879239 = 477179193
BaseRepresentation
bin1100001000010…
…1101100000111
310112201221012021
43002011230013
5101011113424
65014304011
71155315655
oct302055407
9115657167
1050879239
11267a1364
1215058007
13a705678
146a85dd5
1547004e4
hex3085b07

50879239 has 16 divisors (see below), whose sum is σ = 53637120. Its totient is φ = 48222720.

The previous prime is 50879201. The next prime is 50879251. The reversal of 50879239 is 93297805.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50879239 - 217 = 50748167 is a prime.

It is a super-2 number, since 2×508792392 = 5177393922438242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50879195 and 50879204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50879039) 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 15 ways as a sum of consecutive naturals, for example, 263527 + ... + 263719.

It is an arithmetic number, because the mean of its divisors is an integer number (3352320).

Almost surely, 250879239 is an apocalyptic number.

50879239 is a deficient number, since it is larger than the sum of its proper divisors (2757881).

50879239 is a wasteful number, since it uses less digits than its factorization.

50879239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 50879239 is about 7132.9684564002. The cubic root of 50879239 is about 370.5500438399.

The spelling of 50879239 in words is "fifty million, eight hundred seventy-nine thousand, two hundred thirty-nine".

Divisors: 1 47 71 79 193 3337 3713 5609 9071 13703 15247 263623 644041 716609 1082537 50879239