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50768147 = 181280487
BaseRepresentation
bin1100000110101…
…0100100010011
310112112021210202
43001222210103
5100444040042
65012045415
71154344043
oct301524423
9115467722
1050768147
1126725951
121500386b
13a696c31
146a57723
1546cc632
hex306a913

50768147 has 4 divisors (see below), whose sum is σ = 51048816. Its totient is φ = 50487480.

The previous prime is 50768129. The next prime is 50768161. The reversal of 50768147 is 74186705.

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 50768147 - 216 = 50702611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50768147.

It is not an unprimeable number, because it can be changed into a prime (50768197) 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, 140063 + ... + 140424.

It is an arithmetic number, because the mean of its divisors is an integer number (12762204).

Almost surely, 250768147 is an apocalyptic number.

50768147 is a deficient number, since it is larger than the sum of its proper divisors (280669).

50768147 is a wasteful number, since it uses less digits than its factorization.

50768147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280668.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 50768147 is about 7125.1769802581. The cubic root of 50768147 is about 370.2801554841.

The spelling of 50768147 in words is "fifty million, seven hundred sixty-eight thousand, one hundred forty-seven".

Divisors: 1 181 280487 50768147