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13197648 = 243274951
BaseRepresentation
bin110010010110…
…000101010000
3220211111202210
4302112011100
511334311043
61150512120
7220115052
oct62260520
926744683
1013197648
1174a4652
124505640
132971179
141a778d2
15125a633
hexc96150

13197648 has 20 divisors (see below), whose sum is σ = 34094048. Its totient is φ = 4399200.

The previous prime is 13197643. The next prime is 13197649. The reversal of 13197648 is 84679131.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137428 + ... + 137523.

Almost surely, 213197648 is an apocalyptic number.

It is an amenable number.

13197648 is an abundant number, since it is smaller than the sum of its proper divisors (20896400).

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

13197648 is a wasteful number, since it uses less digits than its factorization.

13197648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274962 (or 274956 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 13197648 is about 3632.8567271501. The cubic root of 13197648 is about 236.3191125029.

It can be divided in two parts, 131 and 97648, that added together give a palindrome (97779).

The spelling of 13197648 in words is "thirteen million, one hundred ninety-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 274951 549902 824853 1099804 1649706 2199608 3299412 4399216 6598824 13197648