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13213202 = 219933199
BaseRepresentation
bin110010011001…
…111000010010
3220212022002212
4302121320102
511340310302
61151112122
7220211312
oct62317022
926768085
1013213202
117505302
124512642
132978282
141a7d442
151260052
hexc99e12

13213202 has 8 divisors (see below), whose sum is σ = 19920000. Its totient is φ = 6573204.

The previous prime is 13213159. The next prime is 13213229. The reversal of 13213202 is 20231231.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16202 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (2490000).

Almost surely, 213213202 is an apocalyptic number.

13213202 is a deficient number, since it is larger than the sum of its proper divisors (6706798).

13213202 is a wasteful number, since it uses less digits than its factorization.

13213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33400.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13213202 is about 3634.9968363122. The cubic root of 13213202 is about 236.4119134936.

Adding to 13213202 its reverse (20231231), we get a palindrome (33444433).

The spelling of 13213202 in words is "thirteen million, two hundred thirteen thousand, two hundred two".

Divisors: 1 2 199 398 33199 66398 6606601 13213202