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13253363 = 371811979
BaseRepresentation
bin110010100011…
…101011110011
3220221100012022
4302203223303
511343101423
61152022055
7220436354
oct62435363
926840168
1013253363
1175324a2
12453192b
132990636
141a8dd2b
15126bdc8
hexca3af3

13253363 has 8 divisors (see below), whose sum is σ = 13693680. Its totient is φ = 12817440.

The previous prime is 13253351. The next prime is 13253381. The reversal of 13253363 is 36335231.

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

It is a cyclic number.

It is not a de Polignac number, because 13253363 - 212 = 13249267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13253323) 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, 5708 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 213253363 is an apocalyptic number.

13253363 is a deficient number, since it is larger than the sum of its proper divisors (440317).

13253363 is a wasteful number, since it uses less digits than its factorization.

13253363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its digits is 4860, while the sum is 26.

The square root of 13253363 is about 3640.5168589089. The cubic root of 13253363 is about 236.6511927550.

Adding to 13253363 its reverse (36335231), we get a palindrome (49588594).

The spelling of 13253363 in words is "thirteen million, two hundred fifty-three thousand, three hundred sixty-three".

Divisors: 1 37 181 1979 6697 73223 358199 13253363