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450240032 = 25114312
BaseRepresentation
bin11010110101100…
…001111000100000
31011101012120012202
4122311201320200
51410230140112
6112402112332
714104656104
oct3265417040
91141176182
10450240032
11211170000
1210694b6a8
1372382028
1443b21904
15297d96c2
hex1ad61e20

450240032 has 90 divisors (see below), whose sum is σ = 1007512695. Its totient is φ = 198052800.

The previous prime is 450240023. The next prime is 450240061. The reversal of 450240032 is 230042054.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 225120016 + 225120016 = 15004^2 + 15004^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=15004.

It is a super-2 number, since 2×4502400322 = 405432172830722048, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450239986 and 450240013.

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 14 ways as a sum of consecutive naturals, for example, 14523857 + ... + 14523887.

Almost surely, 2450240032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450240032

450240032 is an abundant number, since it is smaller than the sum of its proper divisors (557272663).

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

450240032 is an frugal number, since it uses more digits than its factorization.

450240032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 450240032 is about 21218.8602898459. The cubic root of 450240032 is about 766.4456591275.

Adding to 450240032 its reverse (230042054), we get a palindrome (680282086).

The spelling of 450240032 in words is "four hundred fifty million, two hundred forty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 88 121 124 176 242 248 341 352 484 496 682 961 968 992 1331 1364 1922 1936 2662 2728 3751 3844 3872 5324 5456 7502 7688 10571 10648 10912 14641 15004 15376 21142 21296 29282 30008 30752 41261 42284 42592 58564 60016 82522 84568 116281 117128 120032 165044 169136 232562 234256 330088 338272 453871 465124 468512 660176 907742 930248 1279091 1320352 1815484 1860496 2558182 3630968 3720992 5116364 7261936 10232728 14070001 14523872 20465456 28140002 40930912 56280004 112560008 225120016 450240032