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13023333 = 321447037
BaseRepresentation
bin110001101011…
…100001100101
3220111122122200
4301223201211
511313221313
61143045113
7215460621
oct61534145
926448580
1013023333
117395694
124440799
13290ca1b
141a30181
151223b73
hexc6b865

13023333 has 6 divisors (see below), whose sum is σ = 18811494. Its totient is φ = 8682216.

The previous prime is 13023289. The next prime is 13023383. The reversal of 13023333 is 33332031.

13023333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 1954404 = 3327^2 + 1398^2 .

It is not a de Polignac number, because 13023333 - 216 = 12957797 is a prime.

13023333 is a modest number, since divided by 3333 gives 1302 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023383) 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, 723510 + ... + 723527.

It is an arithmetic number, because the mean of its divisors is an integer number (3135249).

Almost surely, 213023333 is an apocalyptic number.

It is an amenable number.

13023333 is a deficient number, since it is larger than the sum of its proper divisors (5788161).

13023333 is a wasteful number, since it uses less digits than its factorization.

13023333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447043 (or 1447040 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 13023333 is about 3608.7855297870. The cubic root of 13023333 is about 235.2740608259.

Adding to 13023333 its reverse (33332031), we get a palindrome (46355364).

The spelling of 13023333 in words is "thirteen million, twenty-three thousand, three hundred thirty-three".

Divisors: 1 3 9 1447037 4341111 13023333