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12303230 = 259531291
BaseRepresentation
bin101110111011…
…101101111110
3212011001212012
4232323231332
511122200410
61115411222
7206401322
oct56735576
925131765
1012303230
116a43665
124153b12
13271a024
1418c3982
151130605
hexbbbb7e

12303230 has 16 divisors (see below), whose sum is σ = 22186224. Its totient is φ = 4912320.

The previous prime is 12303227. The next prime is 12303233. The reversal of 12303230 is 3230321.

It is an interprime number because it is at equal distance from previous prime (12303227) and next prime (12303233).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303233) 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, 8885 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (1386639).

Almost surely, 212303230 is an apocalyptic number.

12303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303230 is a deficient number, since it is larger than the sum of its proper divisors (9882994).

12303230 is a wasteful number, since it uses less digits than its factorization.

12303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 12303230 is about 3507.5960428761. The cubic root of 12303230 is about 230.8552280911.

Adding to 12303230 its reverse (3230321), we get a palindrome (15533551).

The spelling of 12303230 in words is "twelve million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 953 1291 1906 2582 4765 6455 9530 12910 1230323 2460646 6151615 12303230