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2230348900 = 2252133789521
BaseRepresentation
bin1000010011110000…
…0110110001100100
312202102210110111211
42010330012301210
514031432131100
61005152041204
7106161436633
oct20474066144
95672713454
102230348900
11a44a7915a
12522b33204
132970c93a0
141722db51a
15d0c141ba
hex84f06c64

2230348900 has 144 divisors (see below), whose sum is σ = 5423559120. Its totient is φ = 790732800.

The previous prime is 2230348891. The next prime is 2230348921. The reversal of 2230348900 is 98430322.

It can be written as a sum of positive squares in 24 ways, for example, as 1892598016 + 337750884 = 43504^2 + 18378^2 .

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 47 ways as a sum of consecutive naturals, for example, 4280640 + ... + 4281160.

It is an arithmetic number, because the mean of its divisors is an integer number (37663605).

Almost surely, 22230348900 is an apocalyptic number.

2230348900 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 2230348900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711779560).

2230348900 is an abundant number, since it is smaller than the sum of its proper divisors (3193210220).

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

2230348900 is a wasteful number, since it uses less digits than its factorization.

2230348900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2230348900 is about 47226.5698521500. The cubic root of 2230348900 is about 1306.5446885940.

The spelling of 2230348900 in words is "two billion, two hundred thirty million, three hundred forty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 37 50 52 65 74 89 100 130 148 178 185 260 325 356 370 445 481 521 650 740 890 925 962 1042 1157 1300 1780 1850 1924 2084 2225 2314 2405 2605 3293 3700 4450 4628 4810 5210 5785 6586 6773 8900 9620 10420 11570 12025 13025 13172 13546 16465 19277 23140 24050 26050 27092 28925 32930 33865 38554 42809 46369 48100 52100 57850 65860 67730 77108 82325 85618 92738 96385 115700 135460 164650 169325 171236 185476 192770 214045 231845 250601 329300 338650 385540 428090 463690 481925 501202 602797 677300 856180 927380 963850 1002404 1070225 1159225 1205594 1253005 1715653 1927700 2140450 2318450 2411188 2506010 3013985 3431306 4280900 4636900 5012020 6027970 6265025 6862612 8578265 12055940 12530050 15069925 17156530 22303489 25060100 30139850 34313060 42891325 44606978 60279700 85782650 89213956 111517445 171565300 223034890 446069780 557587225 1115174450 2230348900