Search a number
-
+
20023034 = 247293727
BaseRepresentation
bin100110001100…
…0011011111010
31101200021102212
41030120123322
520111214114
61553055122
7332123123
oct114303372
941607385
1020023034
1110336669
1268574a2
1341c0a65
14293304a
151b57b3e
hex13186fa

20023034 has 16 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 9751632.

The previous prime is 20023027. The next prime is 20023037. The reversal of 20023034 is 43032002.

It is not an unprimeable number, because it can be changed into a prime (20023037) 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 7 ways as a sum of consecutive naturals, for example, 27179 + ... + 27905.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 220023034 is an apocalyptic number.

20023034 is a deficient number, since it is larger than the sum of its proper divisors (10797574).

20023034 is a wasteful number, since it uses less digits than its factorization.

20023034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20023034 is about 4474.7104934286. The cubic root of 20023034 is about 271.5459281725.

Adding to 20023034 its reverse (43032002), we get a palindrome (63055036).

The spelling of 20023034 in words is "twenty million, twenty-three thousand, thirty-four".

Divisors: 1 2 47 94 293 586 727 1454 13771 27542 34169 68338 213011 426022 10011517 20023034