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87091367 = 1114535449
BaseRepresentation
bin1010011000011…
…10100010100111
320001212200220012
411030032202213
5134243410432
612350400435
72105156456
oct514164247
9201780805
1087091367
1145185040
122520011b
131507406c
14b7d0b9d
1579a4cb2
hex530e8a7

87091367 has 8 divisors (see below), whose sum is σ = 95091600. Its totient is φ = 79104960.

The previous prime is 87091351. The next prime is 87091441. The reversal of 87091367 is 76319078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87091367 - 24 = 87091351 is a prime.

It is a super-3 number, since 3×870913673 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87091337) 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, 13259 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (11886450).

Almost surely, 287091367 is an apocalyptic number.

87091367 is a deficient number, since it is larger than the sum of its proper divisors (8000233).

87091367 is a wasteful number, since it uses less digits than its factorization.

87091367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 87091367 is about 9332.2755531542. The cubic root of 87091367 is about 443.2598234285.

The spelling of 87091367 in words is "eighty-seven million, ninety-one thousand, three hundred sixty-seven".

Divisors: 1 11 1453 5449 15983 59939 7917397 87091367