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12448904 = 2313119701
BaseRepresentation
bin101111011111…
…010010001000
3212102110200112
4233133102020
511141331104
61122453452
7210546116
oct57372210
925373615
1012448904
117033056
124204288
13276b420
141920ab6
15115d86e
hexbdf488

12448904 has 16 divisors (see below), whose sum is σ = 25137420. Its totient is φ = 5745600.

The previous prime is 12448903. The next prime is 12448939. The reversal of 12448904 is 40984421.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 184900 = 3502^2 + 430^2 .

It is not an unprimeable number, because it can be changed into a prime (12448903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59747 + ... + 59954.

Almost surely, 212448904 is an apocalyptic number.

It is an amenable number.

12448904 is an abundant number, since it is smaller than the sum of its proper divisors (12688516).

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

12448904 is a wasteful number, since it uses less digits than its factorization.

12448904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119720 (or 119716 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 12448904 is about 3528.3004407221. The cubic root of 12448904 is about 231.7627876638.

The spelling of 12448904 in words is "twelve million, four hundred forty-eight thousand, nine hundred four".

Divisors: 1 2 4 8 13 26 52 104 119701 239402 478804 957608 1556113 3112226 6224452 12448904