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87093351 = 3229333691
BaseRepresentation
bin1010011000011…
…11000001100111
320001212210121200
411030033001213
5134243441401
612350413543
72105165322
oct514170147
9201783550
1087093351
1145186584
12252012b3
1315074c37
14b7d17b9
1579a5686
hex530f067

87093351 has 12 divisors (see below), whose sum is σ = 130139880. Its totient is φ = 56059920.

The previous prime is 87093343. The next prime is 87093403. The reversal of 87093351 is 15339078.

It is not a de Polignac number, because 87093351 - 23 = 87093343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87093451) 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 11 ways as a sum of consecutive naturals, for example, 166585 + ... + 167106.

It is an arithmetic number, because the mean of its divisors is an integer number (10844990).

Almost surely, 287093351 is an apocalyptic number.

87093351 is a deficient number, since it is larger than the sum of its proper divisors (43046529).

87093351 is a wasteful number, since it uses less digits than its factorization.

87093351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333726 (or 333723 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 87093351 is about 9332.3818503102. The cubic root of 87093351 is about 443.2631893220.

The spelling of 87093351 in words is "eighty-seven million, ninety-three thousand, three hundred fifty-one".

Divisors: 1 3 9 29 87 261 333691 1001073 3003219 9677039 29031117 87093351