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1143310230 = 232543295429
BaseRepresentation
bin100010000100101…
…1000011110010110
32221200100011210100
41010021120132112
54320141411410
6305241034530
740221655656
oct10411303626
92850304710
101143310230
11537406997
1227aa85a46
13152b3613a
14abbb4366
156a58d8c0
hex44258796

1143310230 has 48 divisors (see below), whose sum is σ = 3041747280. Its totient is φ = 297791424.

The previous prime is 1143310193. The next prime is 1143310253. The reversal of 1143310230 is 320133411.

1143310230 is a `hidden beast` number, since 1 + 1 + 433 + 1 + 0 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143845 + ... + 151584.

It is an arithmetic number, because the mean of its divisors is an integer number (63369735).

Almost surely, 21143310230 is an apocalyptic number.

1143310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143310230 is an abundant number, since it is smaller than the sum of its proper divisors (1898437050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143310230 is a wasteful number, since it uses less digits than its factorization.

1143310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295485 (or 295482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1143310230 is about 33812.8707743072. The cubic root of 1143310230 is about 1045.6540642589.

Adding to 1143310230 its reverse (320133411), we get a palindrome (1463443641).

The spelling of 1143310230 in words is "one billion, one hundred forty-three million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 43 45 86 90 129 215 258 387 430 645 774 1290 1935 3870 295429 590858 886287 1477145 1772574 2658861 2954290 4431435 5317722 8862870 12703447 13294305 25406894 26588610 38110341 63517235 76220682 114331023 127034470 190551705 228662046 381103410 571655115 1143310230