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50875409 = 1310213833
BaseRepresentation
bin1100001000010…
…0110000010001
310112201201221102
43002010300101
5101011003114
65014234145
71155301544
oct302046021
9115651842
1050875409
11267994a2
1215055955
13a7039c0
146a8485b
1546ee2de
hex3084c11

50875409 has 8 divisors (see below), whose sum is σ = 54856872. Its totient is φ = 46903680.

The previous prime is 50875387. The next prime is 50875411. The reversal of 50875409 is 90457805.

It can be written as a sum of positive squares in 4 ways, for example, as 394384 + 50481025 = 628^2 + 7105^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50875409 - 212 = 50871313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50875469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11357 + ... + 15189.

It is an arithmetic number, because the mean of its divisors is an integer number (6857109).

Almost surely, 250875409 is an apocalyptic number.

It is an amenable number.

50875409 is a deficient number, since it is larger than the sum of its proper divisors (3981463).

50875409 is a wasteful number, since it uses less digits than its factorization.

50875409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 50875409 is about 7132.6999796711. The cubic root of 50875409 is about 370.5407457299.

The spelling of 50875409 in words is "fifty million, eight hundred seventy-five thousand, four hundred nine".

Divisors: 1 13 1021 3833 13273 49829 3913493 50875409