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13390365 = 35979203
BaseRepresentation
bin110011000101…
…001000011101
3221012022010110
4303011020131
511411442430
61155000233
7221546652
oct63051035
927168113
1013390365
11761641a
124599079
132a0aac1
141ac7c29
1512977b0
hexcc521d

13390365 has 16 divisors (see below), whose sum is σ = 21647808. Its totient is φ = 7067136.

The previous prime is 13390361. The next prime is 13390367. The reversal of 13390365 is 56309331.

13390365 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13390365 - 22 = 13390361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147 + ... + 6056.

It is an arithmetic number, because the mean of its divisors is an integer number (1352988).

Almost surely, 213390365 is an apocalyptic number.

13390365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13390365 is a deficient number, since it is larger than the sum of its proper divisors (8257443).

13390365 is an equidigital number, since it uses as much as digits as its factorization.

13390365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 13390365 is about 3659.2847661804. The cubic root of 13390365 is about 237.4638319808.

Adding to 13390365 its reverse (56309331), we get a palindrome (69699696).

The spelling of 13390365 in words is "thirteen million, three hundred ninety thousand, three hundred sixty-five".

Divisors: 1 3 5 15 97 291 485 1455 9203 27609 46015 138045 892691 2678073 4463455 13390365