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13081622 = 216693919
BaseRepresentation
bin110001111001…
…110000010110
3220121121121112
4301321300112
511322102442
61144215022
7216122561
oct61716026
926547545
1013081622
117425464
12446a472
132930408
141a474d8
151236082
hexc79c16

13081622 has 8 divisors (see below), whose sum is σ = 19639200. Its totient is φ = 6535224.

The previous prime is 13081613. The next prime is 13081631. The reversal of 13081622 is 22618031.

13081622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13081613) and next prime (13081631).

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

It is a super-2 number, since 2×130816222 = 342257668301768, which contains 22 as substring.

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, 1379 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (2454900).

Almost surely, 213081622 is an apocalyptic number.

13081622 is a deficient number, since it is larger than the sum of its proper divisors (6557578).

13081622 is a wasteful number, since it uses less digits than its factorization.

13081622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13081622 is about 3616.8524990660. The cubic root of 13081622 is about 235.6245466434.

Adding to 13081622 its reverse (22618031), we get a palindrome (35699653).

The spelling of 13081622 in words is "thirteen million, eighty-one thousand, six hundred twenty-two".

Divisors: 1 2 1669 3338 3919 7838 6540811 13081622