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12444930 = 2325532609
BaseRepresentation
bin101111011110…
…010100000010
3212102021020100
4233132110002
511141214210
61122423230
7210531411
oct57362402
925367210
1012444930
117030073
124201b16
132769684
14191d478
15115c5c0
hexbde502

12444930 has 48 divisors (see below), whose sum is σ = 32979960. Its totient is φ = 3254784.

The previous prime is 12444911. The next prime is 12444941. The reversal of 12444930 is 3944421.

12444930 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 1535121 = 3303^2 + 1239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12444894 and 12444903.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3466 + ... + 6074.

Almost surely, 212444930 is an apocalyptic number.

12444930 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 12444930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16489980).

12444930 is an abundant number, since it is smaller than the sum of its proper divisors (20535030).

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

12444930 is a wasteful number, since it uses less digits than its factorization.

12444930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12444930 is about 3527.7372351126. The cubic root of 12444930 is about 231.7381235557.

It can be divided in two parts, 124 and 44930, that added together give a palindrome (45054).

The spelling of 12444930 in words is "twelve million, four hundred forty-four thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 2609 4770 5218 7827 13045 15654 23481 26090 39135 46962 78270 117405 138277 234810 276554 414831 691385 829662 1244493 1382770 2074155 2488986 4148310 6222465 12444930