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87102672 = 2431814639
BaseRepresentation
bin1010011000100…
…01010011010000
320001220021101220
411030101103100
5134244241142
612350525040
72105234436
oct514212320
9201807356
1087102672
1145192588
1225206780
1315079257
14b7d4d56
1579a82ec
hex53114d0

87102672 has 20 divisors (see below), whose sum is σ = 225015360. Its totient is φ = 29034208.

The previous prime is 87102661. The next prime is 87102683. The reversal of 87102672 is 27620178.

It is an interprime number because it is at equal distance from previous prime (87102661) and next prime (87102683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907272 + ... + 907367.

It is an arithmetic number, because the mean of its divisors is an integer number (11250768).

Almost surely, 287102672 is an apocalyptic number.

It is an amenable number.

87102672 is an abundant number, since it is smaller than the sum of its proper divisors (137912688).

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

87102672 is a wasteful number, since it uses less digits than its factorization.

87102672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814650 (or 1814644 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 87102672 is about 9332.8812271452. The cubic root of 87102672 is about 443.2790018908.

The spelling of 87102672 in words is "eighty-seven million, one hundred two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1814639 3629278 5443917 7258556 10887834 14517112 21775668 29034224 43551336 87102672