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230743392 = 25311353619
BaseRepresentation
bin11011100000011…
…01110101100000
3121002011222102120
431300031311200
5433032242032
634521344240
75501200155
oct1560156540
9532158376
10230743392
11109280a20
1265338080
1338a5c769
142290622c
15153cd62c
hexdc0dd60

230743392 has 96 divisors (see below), whose sum is σ = 663707520. Its totient is φ = 69611520.

The previous prime is 230743369. The next prime is 230743423. The reversal of 230743392 is 293347032.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 372459 + ... + 373077.

It is an arithmetic number, because the mean of its divisors is an integer number (6913620).

Almost surely, 2230743392 is an apocalyptic number.

230743392 is a gapful number since it is divisible by the number (22) 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 230743392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331853760).

230743392 is an abundant number, since it is smaller than the sum of its proper divisors (432964128).

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

230743392 is a wasteful number, since it uses less digits than its factorization.

230743392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 230743392 is about 15190.2400244367. The cubic root of 230743392 is about 613.3519601568.

The spelling of 230743392 in words is "two hundred thirty million, seven hundred forty-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 353 528 619 706 1056 1059 1238 1412 1857 2118 2476 2824 3714 3883 4236 4952 5648 6809 7428 7766 8472 9904 11296 11649 13618 14856 15532 16944 19808 20427 23298 27236 29712 31064 33888 40854 46596 54472 59424 62128 81708 93192 108944 124256 163416 186384 217888 218507 326832 372768 437014 653664 655521 874028 1311042 1748056 2403577 2622084 3496112 4807154 5244168 6992224 7210731 9614308 10488336 14421462 19228616 20976672 28842924 38457232 57685848 76914464 115371696 230743392