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87946368 = 273229027
BaseRepresentation
bin1010011110111…
…11010010000000
320010111010201220
411033133102000
5140003240433
612420555040
72115350256
oct517372200
9203433656
1087946368
1145709454
1225552a80
13152b3293
14b9745d6
157ac32b3
hex53df480

87946368 has 32 divisors (see below), whose sum is σ = 233608560. Its totient is φ = 29315328.

The previous prime is 87946361. The next prime is 87946399. The reversal of 87946368 is 86364978.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 87946368.

It is not an unprimeable number, because it can be changed into a prime (87946361) by changing a digit.

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, 114130 + ... + 114897.

Almost surely, 287946368 is an apocalyptic number.

It is an amenable number.

87946368 is an abundant number, since it is smaller than the sum of its proper divisors (145662192).

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

87946368 is a wasteful number, since it uses less digits than its factorization.

87946368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229044 (or 229032 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 87946368 is about 9377.9724887632. The cubic root of 87946368 is about 444.7056387657.

The spelling of 87946368 in words is "eighty-seven million, nine hundred forty-six thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 229027 458054 687081 916108 1374162 1832216 2748324 3664432 5496648 7328864 10993296 14657728 21986592 29315456 43973184 87946368