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13117406 = 223285161
BaseRepresentation
bin110010000010…
…011111011110
3220200102200212
4302002133132
511324224111
61145052422
7216332111
oct62023736
926612625
1013117406
11744a335
124487112
1329437a3
141a56578
15124198b
hexc827de

13117406 has 8 divisors (see below), whose sum is σ = 20531664. Its totient is φ = 6273520.

The previous prime is 13117399. The next prime is 13117409. The reversal of 13117406 is 60471131.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142535 + ... + 142626.

It is an arithmetic number, because the mean of its divisors is an integer number (2566458).

Almost surely, 213117406 is an apocalyptic number.

13117406 is a deficient number, since it is larger than the sum of its proper divisors (7414258).

13117406 is a wasteful number, since it uses less digits than its factorization.

13117406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285186.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13117406 is about 3621.7959633309. The cubic root of 13117406 is about 235.8391966922.

Adding to 13117406 its reverse (60471131), we get a palindrome (73588537).

The spelling of 13117406 in words is "thirteen million, one hundred seventeen thousand, four hundred six".

Divisors: 1 2 23 46 285161 570322 6558703 13117406