Search a number
-
+
12744258 = 232124043
BaseRepresentation
bin110000100111…
…011001000010
3212222110211120
4300213121002
511230304013
61133053110
7213216162
oct60473102
925873746
1012744258
117214a4a
124327196
1328429a7
14199a5a2
1511bb123
hexc27642

12744258 has 8 divisors (see below), whose sum is σ = 25488528. Its totient is φ = 4248084.

The previous prime is 12744247. The next prime is 12744283. The reversal of 12744258 is 85244721.

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

12744258 is an admirable number.

It is a super-2 number, since 2×127442582 = 324832223941128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062016 + ... + 1062027.

It is an arithmetic number, because the mean of its divisors is an integer number (3186066).

Almost surely, 212744258 is an apocalyptic number.

12744258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12744258 is a wasteful number, since it uses less digits than its factorization.

12744258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124048.

The product of its digits is 17920, while the sum is 33.

The square root of 12744258 is about 3569.9100829012. The cubic root of 12744258 is about 233.5813612021.

Adding to 12744258 its reverse (85244721), we get a palindrome (97988979).

The spelling of 12744258 in words is "twelve million, seven hundred forty-four thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 2124043 4248086 6372129 12744258