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13245133 = 111204103
BaseRepresentation
bin110010100001…
…101011001101
3220220220220111
4302201223031
511342321013
61151520021
7220403356
oct62415315
926826814
1013245133
1175272a0
124529011
132989975
141a8ad2d
15126973d
hexca1acd

13245133 has 4 divisors (see below), whose sum is σ = 14449248. Its totient is φ = 12041020.

The previous prime is 13245107. The next prime is 13245137. The reversal of 13245133 is 33154231.

13245133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13245133 - 213 = 13236941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602041 + ... + 602062.

It is an arithmetic number, because the mean of its divisors is an integer number (3612312).

Almost surely, 213245133 is an apocalyptic number.

It is an amenable number.

13245133 is a deficient number, since it is larger than the sum of its proper divisors (1204115).

13245133 is a wasteful number, since it uses less digits than its factorization.

13245133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204114.

The product of its digits is 1080, while the sum is 22.

The square root of 13245133 is about 3639.3863493727. The cubic root of 13245133 is about 236.6021978294.

Adding to 13245133 its reverse (33154231), we get a palindrome (46399364).

The spelling of 13245133 in words is "thirteen million, two hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 11 1204103 13245133