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230203312 = 2499714431
BaseRepresentation
bin11011011100010…
…01111110110000
3121001011112120121
431232021332300
5432413001222
634502020024
75463460453
oct1556117660
9531145517
10230203312
11108a42179
1265117614
13389009a1
142280549a
15153235c7
hexdb89fb0

230203312 has 20 divisors (see below), whose sum is σ = 446497216. Its totient is φ = 114978240.

The previous prime is 230203289. The next prime is 230203339. The reversal of 230203312 is 213302032.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8737 + ... + 23167.

Almost surely, 2230203312 is an apocalyptic number.

It is an amenable number.

230203312 is a deficient number, since it is larger than the sum of its proper divisors (216293904).

230203312 is a wasteful number, since it uses less digits than its factorization.

230203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15436 (or 15430 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230203312 is about 15172.4524055935. The cubic root of 230203312 is about 612.8730473269.

Adding to 230203312 its reverse (213302032), we get a palindrome (443505344).

The spelling of 230203312 in words is "two hundred thirty million, two hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 997 1994 3988 7976 14431 15952 28862 57724 115448 230896 14387707 28775414 57550828 115101656 230203312