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13258106 = 261109997
BaseRepresentation
bin110010100100…
…110101111010
3220221120200222
4302210311322
511343224411
61152100042
7220456241
oct62446572
926846628
1013258106
117536014
124534622
132992844
141a91958
15126d4db
hexca4d7a

13258106 has 16 divisors (see below), whose sum is σ = 20419080. Its totient is φ = 6454080.

The previous prime is 13258103. The next prime is 13258121. The reversal of 13258106 is 60185231.

It can be written as a sum of positive squares in 4 ways, for example, as 11323225 + 1934881 = 3365^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (13258103) 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 7 ways as a sum of consecutive naturals, for example, 12800 + ... + 13796.

Almost surely, 213258106 is an apocalyptic number.

13258106 is a deficient number, since it is larger than the sum of its proper divisors (7160974).

13258106 is a wasteful number, since it uses less digits than its factorization.

13258106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 13258106 is about 3641.1682191297. The cubic root of 13258106 is about 236.6794196218.

The spelling of 13258106 in words is "thirteen million, two hundred fifty-eight thousand, one hundred six".

Divisors: 1 2 61 109 122 218 997 1994 6649 13298 60817 108673 121634 217346 6629053 13258106