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13807026 = 2321745121
BaseRepresentation
bin110100101010…
…110110110010
3221222110200100
4310222312302
512013311101
61211533230
7225233502
oct64526662
927873610
1013807026
117880472
12475a216
132b2564c
141b95a02
15132ae86
hexd2adb2

13807026 has 24 divisors (see below), whose sum is σ = 31675644. Its totient is φ = 4331520.

The previous prime is 13807019. The next prime is 13807063. The reversal of 13807026 is 62070831.

It can be written as a sum of positive squares in 2 ways, for example, as 13505625 + 301401 = 3675^2 + 549^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22255 + ... + 22866.

Almost surely, 213807026 is an apocalyptic number.

13807026 is an abundant number, since it is smaller than the sum of its proper divisors (17868618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13807026 is a wasteful number, since it uses less digits than its factorization.

13807026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45146 (or 45143 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13807026 is about 3715.7806716759. The cubic root of 13807026 is about 239.9017306018.

Adding to 13807026 its reverse (62070831), we get a palindrome (75877857).

The spelling of 13807026 in words is "thirteen million, eight hundred seven thousand, twenty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 45121 90242 135363 270726 406089 767057 812178 1534114 2301171 4602342 6903513 13807026