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12303345 = 35820223
BaseRepresentation
bin101110111011…
…101111110001
3212011002000110
4232323233301
511122201340
61115411533
7206401545
oct56735761
925132013
1012303345
116a4375a
124153ba9
13271a0b2
1418c3a25
151130680
hexbbbbf1

12303345 has 8 divisors (see below), whose sum is σ = 19685376. Its totient is φ = 6561776.

The previous prime is 12303341. The next prime is 12303349. The reversal of 12303345 is 54330321.

It is an interprime number because it is at equal distance from previous prime (12303341) and next prime (12303349).

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

It is a cyclic number.

It is not a de Polignac number, because 12303345 - 22 = 12303341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12303341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410097 + ... + 410126.

It is an arithmetic number, because the mean of its divisors is an integer number (2460672).

Almost surely, 212303345 is an apocalyptic number.

12303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12303345 is a deficient number, since it is larger than the sum of its proper divisors (7382031).

12303345 is an equidigital number, since it uses as much as digits as its factorization.

12303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820231.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 12303345 is about 3507.6124358315. The cubic root of 12303345 is about 230.8559473675.

Adding to 12303345 its reverse (54330321), we get a palindrome (66633666).

The spelling of 12303345 in words is "twelve million, three hundred three thousand, three hundred forty-five".

Divisors: 1 3 5 15 820223 2460669 4101115 12303345