Search a number
-
+
86368393 = 293929387
BaseRepresentation
bin1010010010111…
…10000010001001
320000111222011101
411021132002021
5134102242033
612323101401
72066055616
oct511360211
9200458141
1086368393
1144830941
1224b11861
1314b7cc77
14b68350d
1578b097d
hex525e089

86368393 has 4 divisors (see below), whose sum is σ = 86400720. Its totient is φ = 86336068.

The previous prime is 86368363. The next prime is 86368459. The reversal of 86368393 is 39386368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86368393 - 25 = 86368361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86368363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11755 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (21600180).

Almost surely, 286368393 is an apocalyptic number.

86368393 is the 5878-th heptagonal number.

It is an amenable number.

86368393 is a deficient number, since it is larger than the sum of its proper divisors (32327).

86368393 is a wasteful number, since it uses less digits than its factorization.

86368393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326.

The product of its digits is 559872, while the sum is 46.

The square root of 86368393 is about 9293.4596894806. The cubic root of 86368393 is about 442.0298653066.

The spelling of 86368393 in words is "eighty-six million, three hundred sixty-eight thousand, three hundred ninety-three".

Divisors: 1 2939 29387 86368393