Search a number
-
+
86135293 = 145359281
BaseRepresentation
bin1010010001001…
…01000111111101
320000002010102001
411020211013331
5134022312133
612314102301
72064065206
oct510450775
9200063361
1086135293
11446917a2
1224a1a991
1314acab3a
14b6225ad
15786687d
hex52251fd

86135293 has 4 divisors (see below), whose sum is σ = 86196028. Its totient is φ = 86074560.

The previous prime is 86135279. The next prime is 86135323. The reversal of 86135293 is 39253168.

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 80946009 + 5189284 = 8997^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 86135293 - 29 = 86134781 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 (86135213) 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, 28188 + ... + 31093.

It is an arithmetic number, because the mean of its divisors is an integer number (21549007).

Almost surely, 286135293 is an apocalyptic number.

It is an amenable number.

86135293 is a deficient number, since it is larger than the sum of its proper divisors (60735).

86135293 is a wasteful number, since it uses less digits than its factorization.

86135293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60734.

The product of its digits is 38880, while the sum is 37.

The square root of 86135293 is about 9280.9101385586. The cubic root of 86135293 is about 441.6318416274.

The spelling of 86135293 in words is "eighty-six million, one hundred thirty-five thousand, two hundred ninety-three".

Divisors: 1 1453 59281 86135293