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50087117 = 174171861
BaseRepresentation
bin1011111100010…
…0010011001101
310111020200121102
42333010103031
5100310241432
64545312445
71145506403
oct277042315
9114220542
1050087117
1126300213
1214935725
13a4b8c62
14691b473
1545e5962
hex2fc44cd

50087117 has 8 divisors (see below), whose sum is σ = 54327672. Its totient is φ = 45990400.

The previous prime is 50087113. The next prime is 50087119. The reversal of 50087117 is 71178005.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 49477156 = 781^2 + 7034^2 .

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 50087117 - 22 = 50087113 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 50087117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50087113) 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, 35234 + ... + 36627.

It is an arithmetic number, because the mean of its divisors is an integer number (6790959).

Almost surely, 250087117 is an apocalyptic number.

It is an amenable number.

50087117 is a deficient number, since it is larger than the sum of its proper divisors (4240555).

50087117 is a wasteful number, since it uses less digits than its factorization.

50087117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71919.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 50087117 is about 7077.2252330981. The cubic root of 50087117 is about 368.6169869012.

The spelling of 50087117 in words is "fifty million, eighty-seven thousand, one hundred seventeen".

Divisors: 1 17 41 697 71861 1221637 2946301 50087117