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450036138 = 23179194801
BaseRepresentation
bin11010110100110…
…000000110101010
31011100211012112010
4122310300012222
51410202124023
6112353500350
714103146466
oct3264600652
91140735463
10450036138
112110408a2
121068716b6
1372310296
1443aab4a6
1529799093
hex1ad301aa

450036138 has 32 divisors (see below), whose sum is σ = 954253440. Its totient is φ = 141004800.

The previous prime is 450036079. The next prime is 450036157. The reversal of 450036138 is 831630054.

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 15 ways as a sum of consecutive naturals, for example, 91338 + ... + 96138.

It is an arithmetic number, because the mean of its divisors is an integer number (29820420).

Almost surely, 2450036138 is an apocalyptic number.

450036138 is an abundant number, since it is smaller than the sum of its proper divisors (504217302).

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

450036138 is a wasteful number, since it uses less digits than its factorization.

450036138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 450036138 is about 21214.0551993248. The cubic root of 450036138 is about 766.3299450965.

The spelling of 450036138 in words is "four hundred fifty million, thirty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 919 1838 2757 4801 5514 9602 14403 15623 28806 31246 46869 81617 93738 163234 244851 489702 4412119 8824238 13236357 26472714 75006023 150012046 225018069 450036138