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12440010 = 23511223149
BaseRepresentation
bin101111011101…
…000111001010
3212102000111010
4233131013022
511141040020
61122344350
7210511152
oct57350712
925360433
1012440010
117027400
1241bb0b6
13276736b
14191b762
15115ade0
hexbdd1ca

12440010 has 96 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 2865280.

The previous prime is 12440009. The next prime is 12440017. The reversal of 12440010 is 1004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83416 + ... + 83564.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 212440010 is an apocalyptic number.

12440010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12440010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236800).

12440010 is an abundant number, since it is smaller than the sum of its proper divisors (22033590).

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

12440010 is a wasteful number, since it uses less digits than its factorization.

12440010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12440010 is about 3527.0398353293. The cubic root of 12440010 is about 231.7075809478.

Adding to 12440010 its reverse (1004421), we get a palindrome (13444431).

The spelling of 12440010 in words is "twelve million, four hundred forty thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 121 138 149 165 230 242 253 298 330 345 363 447 506 605 690 726 745 759 894 1210 1265 1490 1518 1639 1815 2235 2530 2783 3278 3427 3630 3795 4470 4917 5566 6854 7590 8195 8349 9834 10281 13915 16390 16698 17135 18029 20562 24585 27830 34270 36058 37697 41745 49170 51405 54087 75394 83490 90145 102810 108174 113091 180290 188485 226182 270435 376970 414667 540870 565455 829334 1130910 1244001 2073335 2488002 4146670 6220005 12440010