Search a number
-
+
20068268 = 2211617477
BaseRepresentation
bin100110010001…
…1011110101100
31101202120111012
41030203132230
520114141033
61554044352
7332402033
oct114433654
941676435
1020068268
1110367650
1268796b8
13420851c
14294571a
151b66248
hex13237ac

20068268 has 24 divisors (see below), whose sum is σ = 38945424. Its totient is φ = 8971200.

The previous prime is 20068267. The next prime is 20068271. The reversal of 20068268 is 86286002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20068267) 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, 1055 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1622726).

Almost surely, 220068268 is an apocalyptic number.

It is an amenable number.

20068268 is a deficient number, since it is larger than the sum of its proper divisors (18877156).

20068268 is a wasteful number, since it uses less digits than its factorization.

20068268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553 (or 7551 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 20068268 is about 4479.7620472521. The cubic root of 20068268 is about 271.7502573553.

The spelling of 20068268 in words is "twenty million, sixty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 22 44 61 122 244 671 1342 2684 7477 14954 29908 82247 164494 328988 456097 912194 1824388 5017067 10034134 20068268