[go: up one dir, main page]

Search a number
-
+
12944862 = 2327711447
BaseRepresentation
bin110001011000…
…010111011110
3220100200000100
4301120113132
511303213422
61141241530
7215013060
oct61302736
926320010
1012944862
117341737
1244032a6
1328b30a8
141a0d730
15120a7ac
hexc585de

12944862 has 48 divisors (see below), whose sum is σ = 32527872. Its totient is φ = 3643920.

The previous prime is 12944851. The next prime is 12944873. The reversal of 12944862 is 26844921.

It is an interprime number because it is at equal distance from previous prime (12944851) and next prime (12944873).

It is a super-3 number, since 3×129448623 (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8223 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (677664).

Almost surely, 212944862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12944862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16263936).

12944862 is an abundant number, since it is smaller than the sum of its proper divisors (19583010).

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

12944862 is a wasteful number, since it uses less digits than its factorization.

12944862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1530 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12944862 is about 3597.8968856820. The cubic root of 12944862 is about 234.8005671806.

The spelling of 12944862 in words is "twelve million, nine hundred forty-four thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 71 126 142 213 426 497 639 994 1278 1447 1491 2894 2982 4341 4473 8682 8946 10129 13023 20258 26046 30387 60774 91161 102737 182322 205474 308211 616422 719159 924633 1438318 1849266 2157477 4314954 6472431 12944862