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86853161 = 194571219
BaseRepresentation
bin1010010110101…
…00011000101001
320001102121010202
411023110120221
5134213300121
612341321545
72103145133
oct513243051
9201377122
1086853161
114503207a
12251062b5
1314cbc805
14b76c053
15795940b
hex52d4629

86853161 has 4 divisors (see below), whose sum is σ = 91424400. Its totient is φ = 82281924.

The previous prime is 86853157. The next prime is 86853181. The reversal of 86853161 is 16135868.

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 not a de Polignac number, because 86853161 - 22 = 86853157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86853101) 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, 2285591 + ... + 2285628.

It is an arithmetic number, because the mean of its divisors is an integer number (22856100).

Almost surely, 286853161 is an apocalyptic number.

It is an amenable number.

86853161 is a deficient number, since it is larger than the sum of its proper divisors (4571239).

86853161 is a wasteful number, since it uses less digits than its factorization.

86853161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571238.

The product of its digits is 34560, while the sum is 38.

The square root of 86853161 is about 9319.5043323130. The cubic root of 86853161 is about 442.8553303677.

The spelling of 86853161 in words is "eighty-six million, eight hundred fifty-three thousand, one hundred sixty-one".

Divisors: 1 19 4571219 86853161