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12315333 = 34105111
BaseRepresentation
bin101110111110…
…101011000101
3212011200110110
4232332223011
511123042313
61115543233
7206451522
oct56765305
925150413
1012315333
116a51768
12415ab19
1327226a4
1418c8149
151133ec3
hexbbeac5

12315333 has 4 divisors (see below), whose sum is σ = 16420448. Its totient is φ = 8210220.

The previous prime is 12315323. The next prime is 12315349. The reversal of 12315333 is 33351321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12315333 - 25 = 12315301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052553 + ... + 2052558.

It is an arithmetic number, because the mean of its divisors is an integer number (4105112).

Almost surely, 212315333 is an apocalyptic number.

It is an amenable number.

12315333 is a deficient number, since it is larger than the sum of its proper divisors (4105115).

12315333 is an equidigital number, since it uses as much as digits as its factorization.

12315333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105114.

The product of its digits is 810, while the sum is 21.

The square root of 12315333 is about 3509.3208744713. The cubic root of 12315333 is about 230.9309026670.

Adding to 12315333 its reverse (33351321), we get a palindrome (45666654).

The spelling of 12315333 in words is "twelve million, three hundred fifteen thousand, three hundred thirty-three".

Divisors: 1 3 4105111 12315333