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87272604 = 223210492311
BaseRepresentation
bin1010011001110…
…10110010011100
320002012220111200
411030322302130
5134320210404
612354315500
72106543036
oct514726234
9202186450
1087272604
1145299221
1225288b90
13151086c3
14b83ac56
1579dd839
hex533ac9c

87272604 has 36 divisors (see below), whose sum is σ = 220911600. Its totient is φ = 29050560.

The previous prime is 87272573. The next prime is 87272617. The reversal of 87272604 is 40627278.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36609 + ... + 38919.

Almost surely, 287272604 is an apocalyptic number.

It is an amenable number.

87272604 is an abundant number, since it is smaller than the sum of its proper divisors (133638996).

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

87272604 is a wasteful number, since it uses less digits than its factorization.

87272604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 87272604 is about 9341.9807321574. The cubic root of 87272604 is about 443.5670847258.

It can be divided in two parts, 87 and 272604, that added together give a triangular number (272691 = T738).

The spelling of 87272604 in words is "eighty-seven million, two hundred seventy-two thousand, six hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 1049 2098 2311 3147 4196 4622 6294 6933 9244 9441 12588 13866 18882 20799 27732 37764 41598 83196 2424239 4848478 7272717 9696956 14545434 21818151 29090868 43636302 87272604