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16230528 = 273273193
BaseRepresentation
bin111101111010…
…100010000000
31010112121002200
4331322202000
513123334103
61335513200
7254646216
oct75724200
933477080
1016230528
119186266
125528800
133493782
142226cb6
1516590a3
hexf7a880

16230528 has 96 divisors (see below), whose sum is σ = 47590140. Its totient is φ = 5308416.

The previous prime is 16230523. The next prime is 16230553. The reversal of 16230528 is 82503261.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 166464 = 4008^2 + 408^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84000 + ... + 84192.

Almost surely, 216230528 is an apocalyptic number.

16230528 is a gapful number since it is divisible by the number (18) 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 16230528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23795070).

16230528 is an abundant number, since it is smaller than the sum of its proper divisors (31359612).

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

16230528 is a wasteful number, since it uses less digits than its factorization.

16230528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16230528 is about 4028.7129458426. The cubic root of 16230528 is about 253.1886400570.

Adding to 16230528 its reverse (82503261), we get a palindrome (98733789).

The spelling of 16230528 in words is "sixteen million, two hundred thirty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 73 96 128 144 146 192 193 219 288 292 384 386 438 576 579 584 657 772 876 1152 1158 1168 1314 1544 1737 1752 2316 2336 2628 3088 3474 3504 4632 4672 5256 6176 6948 7008 9264 9344 10512 12352 13896 14016 14089 18528 21024 24704 27792 28032 28178 37056 42048 42267 55584 56356 74112 84096 84534 111168 112712 126801 169068 222336 225424 253602 338136 450848 507204 676272 901696 1014408 1352544 1803392 2028816 2705088 4057632 5410176 8115264 16230528