Search a number
-
+
86452231 = 414349037
BaseRepresentation
bin1010010011100…
…10100000000111
320000200020011111
411021302200013
5134112432411
612324545451
72066555215
oct511624007
9200606144
1086452231
1144888928
1224b52287
1314bac188
14b6a5cb5
1578ca721
hex5272807

86452231 has 8 divisors (see below), whose sum is σ = 90622224. Its totient is φ = 82380480.

The previous prime is 86452229. The next prime is 86452237. The reversal of 86452231 is 13225468.

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

It is not a de Polignac number, because 86452231 - 21 = 86452229 is a prime.

It is a super-2 number, since 2×864522312 = 14947976489754722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86452193 and 86452202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86452237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22756 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (11327778).

Almost surely, 286452231 is an apocalyptic number.

86452231 is a deficient number, since it is larger than the sum of its proper divisors (4169993).

86452231 is a wasteful number, since it uses less digits than its factorization.

86452231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49121.

The product of its digits is 11520, while the sum is 31.

The square root of 86452231 is about 9297.9691868709. The cubic root of 86452231 is about 442.1728455257.

Adding to 86452231 its reverse (13225468), we get a palindrome (99677699).

The spelling of 86452231 in words is "eighty-six million, four hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 41 43 1763 49037 2010517 2108591 86452231