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50121087 = 316707029
BaseRepresentation
bin1011111100110…
…0100101111111
310111022102012120
42333030211333
5100312333322
64550134023
71146010422
oct277144577
9114272176
1050121087
1126323795
1214951313
13a4cb563
1469299b9
154600a5c
hex2fcc97f

50121087 has 4 divisors (see below), whose sum is σ = 66828120. Its totient is φ = 33414056.

The previous prime is 50121061. The next prime is 50121089. The reversal of 50121087 is 78012105.

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 50121087 - 26 = 50121023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50121089) 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, 8353512 + ... + 8353517.

It is an arithmetic number, because the mean of its divisors is an integer number (16707030).

Almost surely, 250121087 is an apocalyptic number.

50121087 is a deficient number, since it is larger than the sum of its proper divisors (16707033).

50121087 is a wasteful number, since it uses less digits than its factorization.

50121087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707032.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 50121087 is about 7079.6247781927. The cubic root of 50121087 is about 368.7003023324.

The spelling of 50121087 in words is "fifty million, one hundred twenty-one thousand, eighty-seven".

Divisors: 1 3 16707029 50121087