Search a number
-
+
12860194 = 217378241
BaseRepresentation
bin110001000011…
…101100100010
3220012100212111
4301003230202
511243011234
61135345534
7214211164
oct61035442
926170774
1012860194
117294066
1243822aa
1328836a9
1419ca934
1511e0664
hexc43b22

12860194 has 8 divisors (see below), whose sum is σ = 20425068. Its totient is φ = 6051840.

The previous prime is 12860179. The next prime is 12860219. The reversal of 12860194 is 49106821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 3330625 = 3087^2 + 1825^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189087 + ... + 189154.

Almost surely, 212860194 is an apocalyptic number.

12860194 is a deficient number, since it is larger than the sum of its proper divisors (7564874).

12860194 is a wasteful number, since it uses less digits than its factorization.

12860194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378260.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12860194 is about 3586.1112643085. Note that the first 3 decimals coincide. The cubic root of 12860194 is about 234.2875297655.

The spelling of 12860194 in words is "twelve million, eight hundred sixty thousand, one hundred ninety-four".

Divisors: 1 2 17 34 378241 756482 6430097 12860194