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87116095 = 5111583929
BaseRepresentation
bin1010011000101…
…00100100111111
320001220221211001
411030110210333
5134300203340
612351111131
72105321533
oct514244477
9201827731
1087116095
11451a1680
12252124a7
13150823b1
14b7d9bc3
1579ac29a
hex531493f

87116095 has 8 divisors (see below), whose sum is σ = 114042960. Its totient is φ = 63357120.

The previous prime is 87116089. The next prime is 87116101. The reversal of 87116095 is 59061178.

It is an interprime number because it is at equal distance from previous prime (87116089) and next prime (87116101).

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

It is not a de Polignac number, because 87116095 - 29 = 87115583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791910 + ... + 792019.

It is an arithmetic number, because the mean of its divisors is an integer number (14255370).

Almost surely, 287116095 is an apocalyptic number.

87116095 is a deficient number, since it is larger than the sum of its proper divisors (26926865).

87116095 is a wasteful number, since it uses less digits than its factorization.

87116095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583945.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 87116095 is about 9333.6003235622. The cubic root of 87116095 is about 443.3017712972.

It can be divided in two parts, 87 and 116095, that multiplied together give a triangular number (10100265 = T4494).

The spelling of 87116095 in words is "eighty-seven million, one hundred sixteen thousand, ninety-five".

Divisors: 1 5 11 55 1583929 7919645 17423219 87116095