Search a number
-
+
86285233 = 89969497
BaseRepresentation
bin1010010010010…
…01101110110001
320000100202002101
411021021232301
5134042111413
612321220401
72065261306
oct511115661
9200322071
1086285233
1144784411
1224a91701
1314b51168
14b6610ad
157895edd
hex5249bb1

86285233 has 4 divisors (see below), whose sum is σ = 87254820. Its totient is φ = 85315648.

The previous prime is 86285231. The next prime is 86285239. The reversal of 86285233 is 33258268.

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 15186609 + 71098624 = 3897^2 + 8432^2 .

It is a cyclic number.

It is not a de Polignac number, because 86285233 - 21 = 86285231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86285192 and 86285201.

It is not an unprimeable number, because it can be changed into a prime (86285231) 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 3 ways as a sum of consecutive naturals, for example, 484660 + ... + 484837.

It is an arithmetic number, because the mean of its divisors is an integer number (21813705).

Almost surely, 286285233 is an apocalyptic number.

It is an amenable number.

86285233 is a deficient number, since it is larger than the sum of its proper divisors (969587).

86285233 is an equidigital number, since it uses as much as digits as its factorization.

86285233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969586.

The product of its digits is 69120, while the sum is 37.

The square root of 86285233 is about 9288.9844977802. The cubic root of 86285233 is about 441.8879499348.

It can be divided in two parts, 8628 and 5233, that added together give a triangular number (13861 = T166).

The spelling of 86285233 in words is "eighty-six million, two hundred eighty-five thousand, two hundred thirty-three".

Divisors: 1 89 969497 86285233