Search a number
-
+
12644150 = 252435881
BaseRepresentation
bin110000001110…
…111100110110
3212210101111212
4300032330312
511214103100
61131001422
7212321261
oct60167466
925711455
1012644150
117156812
124299272
13280925c
141971cd8
15119b635
hexc0ef36

12644150 has 24 divisors (see below), whose sum is σ = 24069144. Its totient is φ = 4939200.

The previous prime is 12644147. The next prime is 12644167. The reversal of 12644150 is 5144621.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 791 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1002881).

Almost surely, 212644150 is an apocalyptic number.

12644150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12644150 is a deficient number, since it is larger than the sum of its proper divisors (11424994).

12644150 is a wasteful number, since it uses less digits than its factorization.

12644150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936 (or 5931 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12644150 is about 3555.8613583772. The cubic root of 12644150 is about 232.9681475734.

Adding to 12644150 its reverse (5144621), we get a palindrome (17788771).

The spelling of 12644150 in words is "twelve million, six hundred forty-four thousand, one hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 215 430 1075 2150 5881 11762 29405 58810 147025 252883 294050 505766 1264415 2528830 6322075 12644150