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86269393 = 747262217
BaseRepresentation
bin1010010010001…
…01110111010001
320000022221100201
411021011313101
5134041110033
612321015201
72065164160
oct511056721
9200287321
1086269393
1144773521
1224a84501
1314b46ba2
14b6593d7
15789147d
hex5245dd1

86269393 has 8 divisors (see below), whose sum is σ = 100691712. Its totient is φ = 72371616.

The previous prime is 86269363. The next prime is 86269399. The reversal of 86269393 is 39396268.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86269393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86269399) 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, 130780 + ... + 131437.

It is an arithmetic number, because the mean of its divisors is an integer number (12586464).

Almost surely, 286269393 is an apocalyptic number.

It is an amenable number.

86269393 is a deficient number, since it is larger than the sum of its proper divisors (14422319).

86269393 is a wasteful number, since it uses less digits than its factorization.

86269393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262271.

The product of its digits is 419904, while the sum is 46.

The square root of 86269393 is about 9288.1318358430. The cubic root of 86269393 is about 441.8609080983.

The spelling of 86269393 in words is "eighty-six million, two hundred sixty-nine thousand, three hundred ninety-three".

Divisors: 1 7 47 329 262217 1835519 12324199 86269393