Search a number
-
+
13223042 = 272177937
BaseRepresentation
bin110010011100…
…010010000010
3220212210121022
4302130102002
511341114132
61151225442
7220252100
oct62342202
926783538
1013223042
117511738
124518282
13297c8b1
141a82c70
151262e12
hexc9c482

13223042 has 24 divisors (see below), whose sum is σ = 24433164. Its totient is φ = 5332992.

The previous prime is 13223039. The next prime is 13223051. The reversal of 13223042 is 24032231.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 2989441 = 3199^2 + 1729^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13223042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2303 + ... + 5634.

Almost surely, 213223042 is an apocalyptic number.

13223042 is a deficient number, since it is larger than the sum of its proper divisors (11210122).

13223042 is a wasteful number, since it uses less digits than its factorization.

13223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13223042 is about 3636.3500931566. The cubic root of 13223042 is about 236.4705850151.

Adding to 13223042 its reverse (24032231), we get a palindrome (37255273).

The spelling of 13223042 in words is "thirteen million, two hundred twenty-three thousand, forty-two".

Divisors: 1 2 7 14 17 34 49 98 119 238 833 1666 7937 15874 55559 111118 134929 269858 388913 777826 944503 1889006 6611521 13223042