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450820230 = 23572146763
BaseRepresentation
bin11010110111101…
…111100010000110
31011102022001002120
4122313233202012
51410402221410
6112422350410
714112623460
oct3267574206
91142261076
10450820230
11211526a03
12106b8b406
1372526143
1443c33130
15298a1570
hex1adef886

450820230 has 32 divisors (see below), whose sum is σ = 1236536064. Its totient is φ = 103044576.

The previous prime is 450820219. The next prime is 450820241. The reversal of 450820230 is 32028054.

It is an interprime number because it is at equal distance from previous prime (450820219) and next prime (450820241).

It is a self number, because there is not a number n which added to its sum of digits gives 450820230.

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 15 ways as a sum of consecutive naturals, for example, 1073172 + ... + 1073591.

It is an arithmetic number, because the mean of its divisors is an integer number (38641752).

Almost surely, 2450820230 is an apocalyptic number.

450820230 is an abundant number, since it is smaller than the sum of its proper divisors (785715834).

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

450820230 is a wasteful number, since it uses less digits than its factorization.

450820230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146780.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 450820230 is about 21232.5276403918. The cubic root of 450820230 is about 766.7747423780.

Adding to 450820230 its reverse (32028054), we get a palindrome (482848284).

The spelling of 450820230 in words is "four hundred fifty million, eight hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2146763 4293526 6440289 10733815 12880578 15027341 21467630 30054682 32201445 45082023 64402890 75136705 90164046 150273410 225410115 450820230