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13425261 = 323194569
BaseRepresentation
bin110011001101…
…101001101101
3221021001222220
4303031221231
511414102021
61155425553
7222053463
oct63155155
927231886
1013425261
11763a663
1245b52b9
132a20955
141ad6833
1512a2cc6
hexccda6d

13425261 has 8 divisors (see below), whose sum is σ = 18678720. Its totient is φ = 8560992.

The previous prime is 13425253. The next prime is 13425281. The reversal of 13425261 is 16252431.

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

It is not a de Polignac number, because 13425261 - 23 = 13425253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425241) 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, 97216 + ... + 97353.

It is an arithmetic number, because the mean of its divisors is an integer number (2334840).

Almost surely, 213425261 is an apocalyptic number.

It is an amenable number.

13425261 is a deficient number, since it is larger than the sum of its proper divisors (5253459).

13425261 is a wasteful number, since it uses less digits than its factorization.

13425261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194595.

The product of its digits is 1440, while the sum is 24.

The square root of 13425261 is about 3664.0498086134. The cubic root of 13425261 is about 237.6699341520.

Adding to 13425261 its reverse (16252431), we get a palindrome (29677692).

The spelling of 13425261 in words is "thirteen million, four hundred twenty-five thousand, two hundred sixty-one".

Divisors: 1 3 23 69 194569 583707 4475087 13425261