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230203124 = 221512571483
BaseRepresentation
bin11011011100010…
…01111011110100
3121001011112022122
431232021323310
5432412444444
634502015112
75463460064
oct1556117364
9531145278
10230203124
11108a42018
1265117498
1338900888
14228053a4
15153234ee
hexdb89ef4

230203124 has 24 divisors (see below), whose sum is σ = 407375808. Its totient is φ = 113817600.

The previous prime is 230203109. The next prime is 230203163. The reversal of 230203124 is 421302032.

It is a congruent number.

It is an unprimeable number.

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, 154487 + ... + 155969.

It is an arithmetic number, because the mean of its divisors is an integer number (16973992).

Almost surely, 2230203124 is an apocalyptic number.

It is an amenable number.

230203124 is a deficient number, since it is larger than the sum of its proper divisors (177172684).

230203124 is a wasteful number, since it uses less digits than its factorization.

230203124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230203124 is about 15172.4462101535. The cubic root of 230203124 is about 612.8728804886.

Adding to 230203124 its reverse (421302032), we get a palindrome (651505156).

The spelling of 230203124 in words is "two hundred thirty million, two hundred three thousand, one hundred twenty-four".

Divisors: 1 2 4 151 257 302 514 604 1028 1483 2966 5932 38807 77614 155228 223933 381131 447866 762262 895732 1524524 57550781 115101562 230203124