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230384544 = 253131710859
BaseRepresentation
bin11011011101101…
…10001110100000
3121001111202011220
431232312032200
5432434301134
634505535040
75465144025
oct1556661640
9531452156
10230384544
11109056355
12651a4480
1338965320
142285154c
151535c149
hexdbb63a0

230384544 has 96 divisors (see below), whose sum is σ = 689653440. Its totient is φ = 66711552.

The previous prime is 230384521. The next prime is 230384621. The reversal of 230384544 is 445483032.

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

It is a super-3 number, since 3×2303845443 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15787 + ... + 26645.

It is an arithmetic number, because the mean of its divisors is an integer number (7183890).

Almost surely, 2230384544 is an apocalyptic number.

230384544 is a gapful number since it is divisible by the number (24) 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 230384544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344826720).

230384544 is an abundant number, since it is smaller than the sum of its proper divisors (459268896).

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

230384544 is a wasteful number, since it uses less digits than its factorization.

230384544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902 (or 10894 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 230384544 is about 15178.4236335662. The cubic root of 230384544 is about 613.0338371840.

The spelling of 230384544 in words is "two hundred thirty million, three hundred eighty-four thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 68 78 96 102 104 136 156 204 208 221 272 312 408 416 442 544 624 663 816 884 1248 1326 1632 1768 2652 3536 5304 7072 10608 10859 21216 21718 32577 43436 65154 86872 130308 141167 173744 184603 260616 282334 347488 369206 423501 521232 553809 564668 738412 847002 1042464 1107618 1129336 1476824 1694004 2215236 2258672 2399839 2953648 3388008 4430472 4517344 4799678 5907296 6776016 7199517 8860944 9599356 13552032 14399034 17721888 19198712 28798068 38397424 57596136 76794848 115192272 230384544