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450004285 = 590000857
BaseRepresentation
bin11010110100101…
…000010100111101
31011100202120211101
4122310220110331
51410200114120
6112353053101
714102654563
oct3264502475
91140676741
10450004285
11211019975
12106857191
13722cb933
1443a9da33
152978e90a
hex1ad2853d

450004285 has 4 divisors (see below), whose sum is σ = 540005148. Its totient is φ = 360003424.

The previous prime is 450004283. The next prime is 450004301. The reversal of 450004285 is 582400054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76510009 + 373494276 = 8747^2 + 19326^2 .

It is a cyclic number.

It is not a de Polignac number, because 450004285 - 21 = 450004283 is a prime.

It is a super-2 number, since 2×4500042852 = 405007713036722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450004283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45000424 + ... + 45000433.

It is an arithmetic number, because the mean of its divisors is an integer number (135001287).

Almost surely, 2450004285 is an apocalyptic number.

It is an amenable number.

450004285 is a deficient number, since it is larger than the sum of its proper divisors (90000863).

450004285 is an equidigital number, since it uses as much as digits as its factorization.

450004285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90000862.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 450004285 is about 21213.3044337746. The cubic root of 450004285 is about 766.3118647087.

The spelling of 450004285 in words is "four hundred fifty million, four thousand, two hundred eighty-five".

Divisors: 1 5 90000857 450004285