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87026030 = 2571395633
BaseRepresentation
bin1010010111111…
…10100101101110
320001202101021022
411023332211232
5134234313110
612345134142
72104465130
oct513764556
9201671238
1087026030
114513aa43
122518a352
13150503c0
14b7b5050
157990755
hex52fe96e

87026030 has 32 divisors (see below), whose sum is σ = 192798144. Its totient is φ = 27542016.

The previous prime is 87025969. The next prime is 87026033. The reversal of 87026030 is 3062078.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87026033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46907 + ... + 48726.

It is an arithmetic number, because the mean of its divisors is an integer number (6024942).

Almost surely, 287026030 is an apocalyptic number.

87026030 is an abundant number, since it is smaller than the sum of its proper divisors (105772114).

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

87026030 is a wasteful number, since it uses less digits than its factorization.

87026030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95660.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 87026030 is about 9328.7743031976. The cubic root of 87026030 is about 443.1489493986.

The spelling of 87026030 in words is "eighty-seven million, twenty-six thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 95633 191266 478165 669431 956330 1243229 1338862 2486458 3347155 6216145 6694310 8702603 12432290 17405206 43513015 87026030