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230306345 = 547980027
BaseRepresentation
bin11011011101000…
…11001000101001
3121001100202220122
431232203020221
5432424300340
634504133025
75464400033
oct1556431051
9531322818
10230306345
11109002625
1265167175
1338938859
1422830c53
1515343db5
hexdba3229

230306345 has 8 divisors (see below), whose sum is σ = 282248064. Its totient is φ = 180324784.

The previous prime is 230306341. The next prime is 230306357. The reversal of 230306345 is 543603032.

230306345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 230306345 - 22 = 230306341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230306341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489779 + ... + 490248.

It is an arithmetic number, because the mean of its divisors is an integer number (35281008).

Almost surely, 2230306345 is an apocalyptic number.

It is an amenable number.

230306345 is a deficient number, since it is larger than the sum of its proper divisors (51941719).

230306345 is an equidigital number, since it uses as much as digits as its factorization.

230306345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980079.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 230306345 is about 15175.8474227965. The cubic root of 230306345 is about 612.9644690208.

Adding to 230306345 its reverse (543603032), we get a palindrome (773909377).

The spelling of 230306345 in words is "two hundred thirty million, three hundred six thousand, three hundred forty-five".

Divisors: 1 5 47 235 980027 4900135 46061269 230306345