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13022330 = 251302233
BaseRepresentation
bin110001101011…
…010001111010
3220111121021112
4301223101322
511313203310
61143040322
7215454656
oct61532172
926447245
1013022330
117394962
1244400a2
13290c429
141a2da66
151223705
hexc6b47a

13022330 has 8 divisors (see below), whose sum is σ = 23440212. Its totient is φ = 5208928.

The previous prime is 13022311. The next prime is 13022333. The reversal of 13022330 is 3322031.

It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 11881 = 3607^2 + 109^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13022333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651107 + ... + 651126.

Almost surely, 213022330 is an apocalyptic number.

13022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13022330 is a deficient number, since it is larger than the sum of its proper divisors (10417882).

13022330 is a wasteful number, since it uses less digits than its factorization.

13022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302240.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13022330 is about 3608.6465606928. The cubic root of 13022330 is about 235.2680207454.

Adding to 13022330 its reverse (3322031), we get a palindrome (16344361).

The spelling of 13022330 in words is "thirteen million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 1302233 2604466 6511165 13022330