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12404244 = 2231033687
BaseRepresentation
bin101111010100…
…011000010100
3212100012102110
4233110120110
511133413434
61121511020
7210301656
oct57243024
925305373
1012404244
117002546
1241a2470
132753cb8
14190c6d6
1511504e9
hexbd4614

12404244 has 12 divisors (see below), whose sum is σ = 28943264. Its totient is φ = 4134744.

The previous prime is 12404201. The next prime is 12404269. The reversal of 12404244 is 44240421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12404244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516832 + ... + 516855.

Almost surely, 212404244 is an apocalyptic number.

It is an amenable number.

12404244 is an abundant number, since it is smaller than the sum of its proper divisors (16539020).

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

12404244 is a wasteful number, since it uses less digits than its factorization.

12404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033694 (or 1033692 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 12404244 is about 3521.9659282849. The cubic root of 12404244 is about 231.4853086662.

Adding to 12404244 its reverse (44240421), we get a palindrome (56644665).

The spelling of 12404244 in words is "twelve million, four hundred four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1033687 2067374 3101061 4134748 6202122 12404244