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12313450 = 252383643
BaseRepresentation
bin101110111110…
…001101101010
3212011120212201
4232332031222
511123012300
61115530414
7206443162
oct56761552
925146781
1012313450
116a50306
124159a0a
132721886
1418c75a2
15113366a
hexbbe36a

12313450 has 24 divisors (see below), whose sum is σ = 22998528. Its totient is φ = 4904880.

The previous prime is 12313447. The next prime is 12313451. The reversal of 12313450 is 5431321.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18829 + ... + 19471.

It is an arithmetic number, because the mean of its divisors is an integer number (958272).

Almost surely, 212313450 is an apocalyptic number.

12313450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12313450 is a deficient number, since it is larger than the sum of its proper divisors (10685078).

12313450 is a wasteful number, since it uses less digits than its factorization.

12313450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12313450 is about 3509.0525786884. The cubic root of 12313450 is about 230.9191323789.

Adding to 12313450 its reverse (5431321), we get a palindrome (17744771).

The spelling of 12313450 in words is "twelve million, three hundred thirteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 383 643 766 1286 1915 3215 3830 6430 9575 16075 19150 32150 246269 492538 1231345 2462690 6156725 12313450