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13200216 = 233550009
BaseRepresentation
bin110010010110…
…101101011000
3220211122021220
4302112231120
511334401331
61150532040
7220125411
oct62265530
926748256
1013200216
1174a6577
124507020
1329723a3
141a78808
15125b296
hexc96b58

13200216 has 16 divisors (see below), whose sum is σ = 33000600. Its totient is φ = 4400064.

The previous prime is 13200199. The next prime is 13200221. The reversal of 13200216 is 61200231.

13200216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13200195 and 13200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274981 + ... + 275028.

Almost surely, 213200216 is an apocalyptic number.

It is an amenable number.

13200216 is an abundant number, since it is smaller than the sum of its proper divisors (19800384).

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

13200216 is a wasteful number, since it uses less digits than its factorization.

13200216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550018 (or 550014 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13200216 is about 3633.2101508170. The cubic root of 13200216 is about 236.3344391764.

Adding to 13200216 its sum of digits (15), we get a palindrome (13200231).

Adding to 13200216 its reverse (61200231), we get a palindrome (74400447).

The spelling of 13200216 in words is "thirteen million, two hundred thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 550009 1100018 1650027 2200036 3300054 4400072 6600108 13200216