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13305266 = 213631811
BaseRepresentation
bin110010110000…
…010110110010
3221000222101122
4302300112302
511401232031
61153102242
7221043602
oct62602662
927028348
1013305266
117568497
124557982
1329ab150
141aa4c02
15127c47b
hexcb05b2

13305266 has 16 divisors (see below), whose sum is σ = 21553728. Its totient is φ = 6123600.

The previous prime is 13305241. The next prime is 13305307. The reversal of 13305266 is 66250331.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16001 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (1347108).

Almost surely, 213305266 is an apocalyptic number.

13305266 is a deficient number, since it is larger than the sum of its proper divisors (8248462).

13305266 is a wasteful number, since it uses less digits than its factorization.

13305266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13305266 is about 3647.6384140975. The cubic root of 13305266 is about 236.9597158946.

Adding to 13305266 its reverse (66250331), we get a palindrome (79555597).

It can be divided in two parts, 13305 and 266, that multiplied together give a triangular number (3539130 = T2660).

The spelling of 13305266 in words is "thirteen million, three hundred five thousand, two hundred sixty-six".

Divisors: 1 2 13 26 631 811 1262 1622 8203 10543 16406 21086 511741 1023482 6652633 13305266