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2230430525 = 52205343457
BaseRepresentation
bin1000010011110001…
…1010101100111101
312202102221121110222
42010330122230331
514031442234100
61005153511125
7106162226621
oct20474325475
95672847428
102230430525
11a45024514
12522b724a5
1329712759b
1417231d181
15d0c2d485
hex84f1ab3d

2230430525 has 12 divisors (see below), whose sum is σ = 2767144692. Its totient is φ = 1783434240.

The previous prime is 2230430519. The next prime is 2230430533. The reversal of 2230430525 is 5250340322.

It can be written as a sum of positive squares in 6 ways, for example, as 17480761 + 2212949764 = 4181^2 + 47042^2 .

It is not a de Polignac number, because 2230430525 - 214 = 2230414141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2230430494 and 2230430503.

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 11 ways as a sum of consecutive naturals, for example, 29597 + ... + 73053.

It is an arithmetic number, because the mean of its divisors is an integer number (230595391).

Almost surely, 22230430525 is an apocalyptic number.

2230430525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2230430525 is a deficient number, since it is larger than the sum of its proper divisors (536714167).

2230430525 is a wasteful number, since it uses less digits than its factorization.

2230430525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45520 (or 45515 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 2230430525 is about 47227.4340293859. The cubic root of 2230430525 is about 1306.5606271181.

Adding to 2230430525 its reverse (5250340322), we get a palindrome (7480770847).

The spelling of 2230430525 in words is "two billion, two hundred thirty million, four hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 2053 10265 43457 51325 217285 1086425 89217221 446086105 2230430525