Search a number
-
+
20264306 = 217596009
BaseRepresentation
bin100110101001…
…1010101110010
31102010112101212
41031103111302
520141424211
62002200122
7334146416
oct115232562
942115355
1020264306
1110490967
126953042
13427681a
142996d46
151ba438b
hex1353572

20264306 has 8 divisors (see below), whose sum is σ = 32184540. Its totient is φ = 9536128.

The previous prime is 20264303. The next prime is 20264339. The reversal of 20264306 is 60346202.

It can be written as a sum of positive squares in 2 ways, for example, as 15015625 + 5248681 = 3875^2 + 2291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20264303) 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, 297971 + ... + 298038.

Almost surely, 220264306 is an apocalyptic number.

20264306 is a deficient number, since it is larger than the sum of its proper divisors (11920234).

20264306 is a wasteful number, since it uses less digits than its factorization.

20264306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596028.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20264306 is about 4501.5892749117. The cubic root of 20264306 is about 272.6322607961.

The spelling of 20264306 in words is "twenty million, two hundred sixty-four thousand, three hundred six".

Divisors: 1 2 17 34 596009 1192018 10132153 20264306