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12849448 = 233894129
BaseRepresentation
bin110001000001…
…000100101000
3220011211010111
4301001010220
511242140243
61135224104
7214134643
oct61010450
926154114
1012849448
117286a87
124378034
13287b831
1419c6a5a
1511dc39d
hexc41128

12849448 has 16 divisors (see below), whose sum is σ = 24160500. Its totient is φ = 6406656.

The previous prime is 12849437. The next prime is 12849449. The reversal of 12849448 is 84494821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 161604 = 3562^2 + 402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12849448.

It is not an unprimeable number, because it can be changed into a prime (12849449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048 + ... + 5176.

Almost surely, 212849448 is an apocalyptic number.

It is an amenable number.

12849448 is a deficient number, since it is larger than the sum of its proper divisors (11311052).

12849448 is a wasteful number, since it uses less digits than its factorization.

12849448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4520 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 12849448 is about 3584.6126708474. The cubic root of 12849448 is about 234.2222545612. Note that the first 4 decimals are identical.

The spelling of 12849448 in words is "twelve million, eight hundred forty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 389 778 1556 3112 4129 8258 16516 33032 1606181 3212362 6424724 12849448