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50381365 = 510076273
BaseRepresentation
bin1100000000110…
…0001000110101
310111210122020111
43000030020311
5100344200430
64555503021
71151143306
oct300141065
9114718214
1050381365
11264912a1
1214a57a71
13a58cb78
1469967ad
154652c2a
hex300c235

50381365 has 4 divisors (see below), whose sum is σ = 60457644. Its totient is φ = 40305088.

The previous prime is 50381351. The next prime is 50381411. The reversal of 50381365 is 56318305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14273284 + 36108081 = 3778^2 + 6009^2 .

It is a cyclic number.

It is not a de Polignac number, because 50381365 - 27 = 50381237 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038132 + ... + 5038141.

It is an arithmetic number, because the mean of its divisors is an integer number (15114411).

Almost surely, 250381365 is an apocalyptic number.

It is an amenable number.

50381365 is a deficient number, since it is larger than the sum of its proper divisors (10076279).

50381365 is a wasteful number, since it uses less digits than its factorization.

50381365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076278.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 50381365 is about 7097.9831642517. The cubic root of 50381365 is about 369.3374190061.

The spelling of 50381365 in words is "fifty million, three hundred eighty-one thousand, three hundred sixty-five".

Divisors: 1 5 10076273 50381365