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13133208 = 2331149747
BaseRepresentation
bin110010000110…
…010110011000
3220201020101010
4302012112120
511330230313
61145253520
7216426144
oct62062630
926636333
1013133208
1174601a0
1244942a0
13294aa3a
141a5c224
1512464c3
hexc86598

13133208 has 32 divisors (see below), whose sum is σ = 35818560. Its totient is φ = 3979680.

The previous prime is 13133203. The next prime is 13133209. The reversal of 13133208 is 80233131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133203) 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, 24610 + ... + 25137.

It is an arithmetic number, because the mean of its divisors is an integer number (1119330).

Almost surely, 213133208 is an apocalyptic number.

It is an amenable number.

13133208 is an abundant number, since it is smaller than the sum of its proper divisors (22685352).

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

13133208 is a wasteful number, since it uses less digits than its factorization.

13133208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49767 (or 49763 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13133208 is about 3623.9768211179. The cubic root of 13133208 is about 235.9338606196.

Adding to 13133208 its reverse (80233131), we get a palindrome (93366339).

The spelling of 13133208 in words is "thirteen million, one hundred thirty-three thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 49747 99494 149241 198988 298482 397976 547217 596964 1094434 1193928 1641651 2188868 3283302 4377736 6566604 13133208