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13304133 = 321478237
BaseRepresentation
bin110010110000…
…000101000101
3221000220211200
4302300011011
511401213013
61153053113
7221040363
oct62600505
927026750
1013304133
117567657
124557199
1329aa78b
141aa4633
15127be73
hexcb0145

13304133 has 6 divisors (see below), whose sum is σ = 19217094. Its totient is φ = 8869416.

The previous prime is 13304129. The next prime is 13304141. The reversal of 13304133 is 33140331.

13304133 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 580644 = 3567^2 + 762^2 .

It is not a de Polignac number, because 13304133 - 22 = 13304129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739110 + ... + 739127.

It is an arithmetic number, because the mean of its divisors is an integer number (3202849).

Almost surely, 213304133 is an apocalyptic number.

It is an amenable number.

13304133 is a deficient number, since it is larger than the sum of its proper divisors (5912961).

13304133 is a wasteful number, since it uses less digits than its factorization.

13304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478243 (or 1478240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13304133 is about 3647.4831048272. The cubic root of 13304133 is about 236.9529896610.

Adding to 13304133 its reverse (33140331), we get a palindrome (46444464).

The spelling of 13304133 in words is "thirteen million, three hundred four thousand, one hundred thirty-three".

Divisors: 1 3 9 1478237 4434711 13304133