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230310806 = 21126938917
BaseRepresentation
bin11011011101001…
…00001110010110
3121001101000000212
431232210032112
5432424421211
634504205422
75464416035
oct1556441626
9531330025
10230310806
11109005a10
1265169872
133893a8ab
142283271c
151534538b
hexdba4396

230310806 has 16 divisors (see below), whose sum is σ = 378282960. Its totient is φ = 104294880.

The previous prime is 230310803. The next prime is 230310841. The reversal of 230310806 is 608013032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230310803) 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, 13541 + ... + 25376.

It is an arithmetic number, because the mean of its divisors is an integer number (23642685).

Almost surely, 2230310806 is an apocalyptic number.

230310806 is a deficient number, since it is larger than the sum of its proper divisors (147972154).

230310806 is a wasteful number, since it uses less digits than its factorization.

230310806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39199.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 230310806 is about 15175.9943990501. The cubic root of 230310806 is about 612.9684266724.

Adding to 230310806 its reverse (608013032), we get a palindrome (838323838).

The spelling of 230310806 in words is "two hundred thirty million, three hundred ten thousand, eight hundred six".

Divisors: 1 2 11 22 269 538 2959 5918 38917 77834 428087 856174 10468673 20937346 115155403 230310806