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50769839 = 222122859
BaseRepresentation
bin1100000110101…
…0111110101111
310112112101010102
43001222332233
5100444113324
65012101315
71154352011
oct301527657
9115471112
1050769839
112672714a
121500483b
13a697933
146a581b1
1546ccdae
hex306afaf

50769839 has 4 divisors (see below), whose sum is σ = 50794920. Its totient is φ = 50744760.

The previous prime is 50769787. The next prime is 50769857. The reversal of 50769839 is 93896705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50769839 - 28 = 50769583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50769793 and 50769802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50769869) 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, 9209 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (12698730).

Almost surely, 250769839 is an apocalyptic number.

50769839 is a deficient number, since it is larger than the sum of its proper divisors (25081).

50769839 is a wasteful number, since it uses less digits than its factorization.

50769839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25080.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 50769839 is about 7125.2957131617. The cubic root of 50769839 is about 370.2842690022.

The spelling of 50769839 in words is "fifty million, seven hundred sixty-nine thousand, eight hundred thirty-nine".

Divisors: 1 2221 22859 50769839