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86940111 = 3191315149
BaseRepresentation
bin1010010111010…
…01100111001111
320001121000102010
411023221213033
5134224040421
612343232303
72103656466
oct513514717
9201530363
1086940111
1145091435
1225148693
131502026b
14b7919dd
157975076
hex52e99cf

86940111 has 8 divisors (see below), whose sum is σ = 115988400. Its totient is φ = 57925952.

The previous prime is 86940043. The next prime is 86940167. The reversal of 86940111 is 11104968.

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

It is a cyclic number.

It is not a de Polignac number, because 86940111 - 213 = 86931919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86947111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (14498550).

Almost surely, 286940111 is an apocalyptic number.

86940111 is a deficient number, since it is larger than the sum of its proper divisors (29048289).

86940111 is a wasteful number, since it uses less digits than its factorization.

86940111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 86940111 is about 9324.1681130276. The cubic root of 86940111 is about 443.0030641133.

The spelling of 86940111 in words is "eighty-six million, nine hundred forty thousand, one hundred eleven".

Divisors: 1 3 1913 5739 15149 45447 28980037 86940111