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12448641 = 317244091
BaseRepresentation
bin101111011111…
…001110000001
3212102110022210
4233133032001
511141324031
61122452333
7210545262
oct57371601
925373283
1012448641
117032937
1242040a9
13276b27a
141920969
15115d746
hexbdf381

12448641 has 8 divisors (see below), whose sum is σ = 17574624. Its totient is φ = 7810880.

The previous prime is 12448633. The next prime is 12448651. The reversal of 12448641 is 14684421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12448641 - 23 = 12448633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12448599 and 12448608.

It is not an unprimeable number, because it can be changed into a prime (12448621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121995 + ... + 122096.

It is an arithmetic number, because the mean of its divisors is an integer number (2196828).

Almost surely, 212448641 is an apocalyptic number.

It is an amenable number.

12448641 is a deficient number, since it is larger than the sum of its proper divisors (5125983).

12448641 is a wasteful number, since it uses less digits than its factorization.

12448641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244111.

The product of its digits is 6144, while the sum is 30.

The square root of 12448641 is about 3528.2631704565. The cubic root of 12448641 is about 231.7611555511.

The spelling of 12448641 in words is "twelve million, four hundred forty-eight thousand, six hundred forty-one".

Divisors: 1 3 17 51 244091 732273 4149547 12448641