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13304661 = 339711171
BaseRepresentation
bin110010110000…
…001101010101
3221000221120020
4302300031111
511401222121
61153055353
7221042046
oct62601525
927027506
1013304661
117567a97
124557559
1329aaaa6
141aa48cd
15127c1c6
hexcb0355

13304661 has 8 divisors (see below), whose sum is σ = 17785824. Its totient is φ = 8846640.

The previous prime is 13304653. The next prime is 13304689. The reversal of 13304661 is 16640331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13304661 - 23 = 13304653 is a prime.

It is a super-3 number, since 3×133046613 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304461) 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 7 ways as a sum of consecutive naturals, for example, 4395 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (2223228).

Almost surely, 213304661 is an apocalyptic number.

It is an amenable number.

13304661 is a deficient number, since it is larger than the sum of its proper divisors (4481163).

13304661 is a wasteful number, since it uses less digits than its factorization.

13304661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13304661 is about 3647.5554827857. Note that the first 3 decimals coincide. The cubic root of 13304661 is about 236.9561242640.

Adding to 13304661 its reverse (16640331), we get a palindrome (29944992).

The spelling of 13304661 in words is "thirteen million, three hundred four thousand, six hundred sixty-one".

Divisors: 1 3 397 1191 11171 33513 4434887 13304661