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86103251 = 136623327
BaseRepresentation
bin1010010000111…
…01010011010011
320000000111110022
411020131103103
5134020301001
612313254055
72063602613
oct510352323
9200014408
1086103251
114466a713
1224a0432b
1314ab9390
14b614a43
15785c11b
hex521d4d3

86103251 has 4 divisors (see below), whose sum is σ = 92726592. Its totient is φ = 79479912.

The previous prime is 86103247. The next prime is 86103253. The reversal of 86103251 is 15230168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86103251 - 22 = 86103247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86103251.

It is not an unprimeable number, because it can be changed into a prime (86103253) 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 3 ways as a sum of consecutive naturals, for example, 3311651 + ... + 3311676.

It is an arithmetic number, because the mean of its divisors is an integer number (23181648).

Almost surely, 286103251 is an apocalyptic number.

86103251 is a deficient number, since it is larger than the sum of its proper divisors (6623341).

86103251 is a wasteful number, since it uses less digits than its factorization.

86103251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623340.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 86103251 is about 9279.1837464294. The cubic root of 86103251 is about 441.5770730495.

The spelling of 86103251 in words is "eighty-six million, one hundred three thousand, two hundred fifty-one".

Divisors: 1 13 6623327 86103251