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86929369 = 199436831
BaseRepresentation
bin1010010111001…
…10111111011001
320001120110200021
411023212333121
5134223214434
612343110441
72103613252
oct513467731
9201513607
1086929369
114508435a
1225142421
13150183c7
14b78bb29
157971cb4
hex52e6fd9

86929369 has 4 divisors (see below), whose sum is σ = 87366400. Its totient is φ = 86492340.

The previous prime is 86929357. The next prime is 86929379. The reversal of 86929369 is 96392968.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-86929369 is a prime.

It is a super-2 number, since 2×869293692 = 15113430389476322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86929379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218217 + ... + 218614.

It is an arithmetic number, because the mean of its divisors is an integer number (21841600).

Almost surely, 286929369 is an apocalyptic number.

It is an amenable number.

86929369 is a deficient number, since it is larger than the sum of its proper divisors (437031).

86929369 is a wasteful number, since it uses less digits than its factorization.

86929369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437030.

The product of its digits is 1259712, while the sum is 52.

The square root of 86929369 is about 9323.5920652933. The cubic root of 86929369 is about 442.9848180860.

The spelling of 86929369 in words is "eighty-six million, nine hundred twenty-nine thousand, three hundred sixty-nine".

Divisors: 1 199 436831 86929369