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231330300 = 223526112641
BaseRepresentation
bin11011100100111…
…01000111111100
3121010021210111220
431302131013330
5433210032200
634542113340
75506163235
oct1562350774
9533253456
10231330300
11109641973
126557b850
1338c06946
1422a1a08c
15154974a0
hexdc9d1fc

231330300 has 72 divisors (see below), whose sum is σ = 680341872. Its totient is φ = 60672000.

The previous prime is 231330259. The next prime is 231330311. The reversal of 231330300 is 3033132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231330300.

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 23 ways as a sum of consecutive naturals, for example, 11980 + ... + 24620.

Almost surely, 2231330300 is an apocalyptic number.

231330300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231330300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340170936).

231330300 is an abundant number, since it is smaller than the sum of its proper divisors (449011572).

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

231330300 is a wasteful number, since it uses less digits than its factorization.

231330300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719 (or 12712 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 231330300 is about 15209.5463443194. The cubic root of 231330300 is about 613.8715509012.

Adding to 231330300 its reverse (3033132), we get a palindrome (234363432).

The spelling of 231330300 in words is "two hundred thirty-one million, three hundred thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 61 75 100 122 150 183 244 300 305 366 610 732 915 1220 1525 1830 3050 3660 4575 6100 9150 12641 18300 25282 37923 50564 63205 75846 126410 151692 189615 252820 316025 379230 632050 758460 771101 948075 1264100 1542202 1896150 2313303 3084404 3792300 3855505 4626606 7711010 9253212 11566515 15422020 19277525 23133030 38555050 46266060 57832575 77110100 115665150 231330300