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13387226 = 231263821
BaseRepresentation
bin110011000100…
…010111011010
3221012010211012
4303010113122
511411342401
61154533522
7221534546
oct63042732
927163735
1013387226
117614026
1245972a2
132a09548
141ac6a26
1512968bb
hexcc45da

13387226 has 16 divisors (see below), whose sum is σ = 20832768. Its totient is φ = 6445200.

The previous prime is 13387201. The next prime is 13387249. The reversal of 13387226 is 62278331.

It is a happy number.

13387226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13387192 and 13387201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15896 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (1302048).

Almost surely, 213387226 is an apocalyptic number.

13387226 is a deficient number, since it is larger than the sum of its proper divisors (7445542).

13387226 is a wasteful number, since it uses less digits than its factorization.

13387226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its digits is 12096, while the sum is 32.

The square root of 13387226 is about 3658.8558320874. The cubic root of 13387226 is about 237.4452749258.

The spelling of 13387226 in words is "thirteen million, three hundred eighty-seven thousand, two hundred twenty-six".

Divisors: 1 2 31 62 263 526 821 1642 8153 16306 25451 50902 215923 431846 6693613 13387226