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12440300 = 2252314013
BaseRepresentation
bin101111011101…
…001011101100
3212102000212212
4233131023230
511141042200
61122345552
7210512045
oct57351354
925360785
1012440300
117027644
1241bb2b8
132767532
14191b8cc
15115b035
hexbdd2ec

12440300 has 36 divisors (see below), whose sum is σ = 27873216. Its totient is φ = 4814400.

The previous prime is 12440293. The next prime is 12440317. The reversal of 12440300 is 304421.

It is a super-2 number, since 2×124403002 = 309522128180000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1094 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (774256).

Almost surely, 212440300 is an apocalyptic number.

12440300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12440300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13936608).

12440300 is an abundant number, since it is smaller than the sum of its proper divisors (15432916).

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

12440300 is a wasteful number, since it uses less digits than its factorization.

12440300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12440300 is about 3527.0809460516. The cubic root of 12440300 is about 231.7093814468.

Adding to 12440300 its reverse (304421), we get a palindrome (12744721).

The spelling of 12440300 in words is "twelve million, four hundred forty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 4013 8026 16052 20065 40130 80260 100325 124403 200650 248806 401300 497612 622015 1244030 2488060 3110075 6220150 12440300