Search a number
-
+
20849068 = 226185447
BaseRepresentation
bin100111110001…
…0000110101100
31110020020112201
41033202012230
520314132233
62022511244
7342133312
oct117420654
943206481
1020849068
1110850239
126b95524
13441ca36
142aaa0b2
151c6c77d
hex13e21ac

20849068 has 12 divisors (see below), whose sum is σ = 37084432. Its totient is φ = 10253520.

The previous prime is 20849053. The next prime is 20849069. The reversal of 20849068 is 86094802.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20849069) 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, 42480 + ... + 42967.

Almost surely, 220849068 is an apocalyptic number.

It is an amenable number.

20849068 is a deficient number, since it is larger than the sum of its proper divisors (16235364).

20849068 is a wasteful number, since it uses less digits than its factorization.

20849068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85512 (or 85510 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 20849068 is about 4566.0779669208. The cubic root of 20849068 is about 275.2298596082.

The spelling of 20849068 in words is "twenty million, eight hundred forty-nine thousand, sixty-eight".

Divisors: 1 2 4 61 122 244 85447 170894 341788 5212267 10424534 20849068