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86887716 = 2237240643
BaseRepresentation
bin1010010110111…
…00110100100100
320001111100112120
411023130310210
5134220401331
612342145540
72103350646
oct513346444
9201440476
1086887716
1145056033
12251222b0
1315002466
14b77a896
157964796
hex52dcd24

86887716 has 12 divisors (see below), whose sum is σ = 202738032. Its totient is φ = 28962568.

The previous prime is 86887709. The next prime is 86887727. The reversal of 86887716 is 61778868.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620310 + ... + 3620333.

It is an arithmetic number, because the mean of its divisors is an integer number (16894836).

Almost surely, 286887716 is an apocalyptic number.

It is an amenable number.

86887716 is an abundant number, since it is smaller than the sum of its proper divisors (115850316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86887716 is a wasteful number, since it uses less digits than its factorization.

86887716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240650 (or 7240648 counting only the distinct ones).

The product of its digits is 903168, while the sum is 51.

The square root of 86887716 is about 9321.3580555625. The cubic root of 86887716 is about 442.9140533770.

The spelling of 86887716 in words is "eighty-six million, eight hundred eighty-seven thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 7240643 14481286 21721929 28962572 43443858 86887716