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86531341 = 136656257
BaseRepresentation
bin1010010100001…
…01110100001101
320000211020200111
411022011310031
5134123000331
612330400021
72100334651
oct512056415
9200736614
1086531341
1144932306
1224b90011
1314c091a0
14b6c6a61
1578e3db1
hex5285d0d

86531341 has 4 divisors (see below), whose sum is σ = 93187612. Its totient is φ = 79875072.

The previous prime is 86531329. The next prime is 86531363. The reversal of 86531341 is 14313568.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 55562116 = 5565^2 + 7454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86531341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86531141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328116 + ... + 3328141.

It is an arithmetic number, because the mean of its divisors is an integer number (23296903).

Almost surely, 286531341 is an apocalyptic number.

It is an amenable number.

86531341 is a deficient number, since it is larger than the sum of its proper divisors (6656271).

86531341 is a wasteful number, since it uses less digits than its factorization.

86531341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656270.

The product of its digits is 8640, while the sum is 31.

The square root of 86531341 is about 9302.2223688751. Note that the first 3 decimals coincide. The cubic root of 86531341 is about 442.3076777099.

The spelling of 86531341 in words is "eighty-six million, five hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 13 6656257 86531341