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87346268 = 22191378389
BaseRepresentation
bin1010011010011…
…00110001011100
320002100122112222
411031030301130
5134330040033
612400044512
72110300562
oct515146134
9202318488
1087346268
11453395a9
1225303738
13151330a9
14b859a32
157a05598
hex534cc5c

87346268 has 24 divisors (see below), whose sum is σ = 162094800. Its totient is φ = 41067648.

The previous prime is 87346267. The next prime is 87346283. The reversal of 87346268 is 86264378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87346261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6218 + ... + 14606.

It is an arithmetic number, because the mean of its divisors is an integer number (6753950).

Almost surely, 287346268 is an apocalyptic number.

It is an amenable number.

87346268 is a deficient number, since it is larger than the sum of its proper divisors (74748532).

87346268 is a wasteful number, since it uses less digits than its factorization.

87346268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549 (or 8547 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 87346268 is about 9345.9225333832. The cubic root of 87346268 is about 443.6918498688.

The spelling of 87346268 in words is "eighty-seven million, three hundred forty-six thousand, two hundred sixty-eight".

Divisors: 1 2 4 19 38 76 137 274 548 2603 5206 8389 10412 16778 33556 159391 318782 637564 1149293 2298586 4597172 21836567 43673134 87346268