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87085098 = 2334093943
BaseRepresentation
bin1010011000011…
…01000000101010
320001212101022000
411030031000222
5134243210343
612350311430
72105132262
oct514150052
9201771260
1087085098
1145180361
12251b8576
1315071259
14b7cc7a2
1579a2ed3
hex530d02a

87085098 has 32 divisors (see below), whose sum is σ = 194044800. Its totient is φ = 28950048.

The previous prime is 87085081. The next prime is 87085099. The reversal of 87085098 is 89058078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87085099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20115 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (6063900).

Almost surely, 287085098 is an apocalyptic number.

87085098 is an abundant number, since it is smaller than the sum of its proper divisors (106959702).

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

87085098 is a wasteful number, since it uses less digits than its factorization.

87085098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 87085098 is about 9331.9396697578. The cubic root of 87085098 is about 443.2491876154.

The spelling of 87085098 in words is "eighty-seven million, eighty-five thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 409 818 1227 2454 3681 3943 7362 7886 11043 11829 22086 23658 35487 70974 106461 212922 1612687 3225374 4838061 9676122 14514183 29028366 43542549 87085098