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87034000 = 245343517
BaseRepresentation
bin1010011000000…
…00100010010000
320001202210012111
411030000202100
5134240042000
612345235104
72104530304
oct514004220
9201683174
1087034000
1145145a29
1225192a94
1315053c11
14b7b7d04
157992cba
hex5300890

87034000 has 40 divisors (see below), whose sum is σ = 210453048. Its totient is φ = 34812800.

The previous prime is 87033997. The next prime is 87034037. The reversal of 87034000 is 43078.

It can be written as a sum of positive squares in 4 ways, for example, as 27373824 + 59660176 = 5232^2 + 7724^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19759 + ... + 23758.

Almost surely, 287034000 is an apocalyptic number.

87034000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87034000 is an abundant number, since it is smaller than the sum of its proper divisors (123419048).

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

87034000 is a wasteful number, since it uses less digits than its factorization.

87034000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43540 (or 43524 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 87034000 is about 9329.2014663636. The cubic root of 87034000 is about 443.1624771110.

Adding to 87034000 its reverse (43078), we get a palindrome (87077078).

The spelling of 87034000 in words is "eighty-seven million, thirty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 43517 87034 174068 217585 348136 435170 696272 870340 1087925 1740680 2175850 3481360 4351700 5439625 8703400 10879250 17406800 21758500 43517000 87034000