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BaseRepresentation
bin1010011010011…
…00000111011100
320002100111212102
411031030013130
5134324443310
612400024232
72110260002
oct515140734
9202314772
1087343580
1145337585
1225302078
1315131abc
14b858a72
157a048a5
hex534c1dc

87343580 has 12 divisors (see below), whose sum is σ = 183421560. Its totient is φ = 34937424.

The previous prime is 87343579. The next prime is 87343591. The reversal of 87343580 is 8534378.

It is a happy number.

It is a congruent number.

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, 2183570 + ... + 2183609.

It is an arithmetic number, because the mean of its divisors is an integer number (15285130).

Almost surely, 287343580 is an apocalyptic number.

It is an amenable number.

87343580 is an abundant number, since it is smaller than the sum of its proper divisors (96077980).

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

87343580 is a wasteful number, since it uses less digits than its factorization.

87343580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367188 (or 4367186 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 87343580 is about 9345.7787262486. The cubic root of 87343580 is about 443.6872984210.

The spelling of 87343580 in words is "eighty-seven million, three hundred forty-three thousand, five hundred eighty".