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13166368 = 25411449
BaseRepresentation
bin110010001110…
…011100100000
3220202220212021
4302032130200
511332310433
61150111224
7216624625
oct62163440
926686767
1013166368
1174830a6
1244ab514
13295cb67
141a6a34c
15125122d
hexc8e720

13166368 has 12 divisors (see below), whose sum is σ = 25921350. Its totient is φ = 6583168.

The previous prime is 13166359. The next prime is 13166369. The reversal of 13166368 is 86366131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 5702544 = 2732^2 + 2388^2 .

It is a super-2 number, since 2×131663682 = 346706492622848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13166369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205693 + ... + 205756.

Almost surely, 213166368 is an apocalyptic number.

It is an amenable number.

13166368 is a deficient number, since it is larger than the sum of its proper divisors (12754982).

13166368 is an equidigital number, since it uses as much as digits as its factorization.

13166368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411459 (or 411451 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 13166368 is about 3628.5490213031. The cubic root of 13166368 is about 236.1322633117.

The spelling of 13166368 in words is "thirteen million, one hundred sixty-six thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 411449 822898 1645796 3291592 6583184 13166368