Search a number
-
+
13244709 = 314872969
BaseRepresentation
bin110010100001…
…100100100101
3220220220022210
4302201210211
511342312314
61151514033
7220402212
oct62414445
926826283
1013244709
117526a45
124528919
13298970a
141a8ab09
151269559
hexca1925

13244709 has 8 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 8820896.

The previous prime is 13244687. The next prime is 13244773. The reversal of 13244709 is 90744231.

It is a happy number.

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 13244709 - 28 = 13244453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244789) 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, 2977 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 213244709 is an apocalyptic number.

It is an amenable number.

13244709 is a deficient number, since it is larger than the sum of its proper divisors (4432731).

13244709 is a wasteful number, since it uses less digits than its factorization.

13244709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13244709 is about 3639.3280973279. The cubic root of 13244709 is about 236.5996731183.

The spelling of 13244709 in words is "thirteen million, two hundred forty-four thousand, seven hundred nine".

Divisors: 1 3 1487 2969 4461 8907 4414903 13244709