Search a number
-
+
86041 = 139619
BaseRepresentation
bin10101000000011001
311101000201
4111000121
510223131
61502201
7505564
oct250031
9141021
1086041
115970a
1241961
1330217
14234db
151a761
hex15019

86041 has 4 divisors (see below), whose sum is σ = 86800. Its totient is φ = 85284.

The previous prime is 86029. The next prime is 86069. The reversal of 86041 is 14068.

86041 = T238 + T239 + T240.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86041 - 213 = 77849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86011) 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, 171 + ... + 448.

It is an arithmetic number, because the mean of its divisors is an integer number (21700).

286041 is an apocalyptic number.

86041 is the 240-th centered triangular number.

It is an amenable number.

86041 is a deficient number, since it is larger than the sum of its proper divisors (759).

86041 is a wasteful number, since it uses less digits than its factorization.

86041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 86041 is about 293.3274620625. The cubic root of 86041 is about 44.1470630140.

Subtracting from 86041 its product of nonzero digits (192), we obtain a square (85849 = 2932).

The spelling of 86041 in words is "eighty-six thousand, forty-one".

Divisors: 1 139 619 86041