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13305066 = 238326717
BaseRepresentation
bin110010110000…
…010011101010
3221000222010020
4302300103222
511401230231
61153101310
7221043165
oct62602352
927028106
1013305066
117568325
124557836
1329ab028
141aa4adc
15127c396
hexcb04ea

13305066 has 16 divisors (see below), whose sum is σ = 26931744. Its totient is φ = 4381424.

The previous prime is 13305041. The next prime is 13305077. The reversal of 13305066 is 66050331.

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, 12861 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (1683234).

Almost surely, 213305066 is an apocalyptic number.

13305066 is an abundant number, since it is smaller than the sum of its proper divisors (13626678).

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

13305066 is a wasteful number, since it uses less digits than its factorization.

13305066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26805.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 13305066 is about 3647.6109989965. The cubic root of 13305066 is about 236.9585285907.

Adding to 13305066 its reverse (66050331), we get a palindrome (79355397).

The spelling of 13305066 in words is "thirteen million, three hundred five thousand, sixty-six".

Divisors: 1 2 3 6 83 166 249 498 26717 53434 80151 160302 2217511 4435022 6652533 13305066