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200331445 = 5373310733
BaseRepresentation
bin10111111000011…
…01000010110101
3111221221220002011
423330031002311
5402241101240
631513444221
74651534456
oct1374150265
9457856064
10200331445
11a3099a86
1257110671
1332672122
141c86b12d
15128c26ea
hexbf0d0b5

200331445 has 8 divisors (see below), whose sum is σ = 240484536. Its totient is φ = 160207296.

The previous prime is 200331409. The next prime is 200331457. The reversal of 200331445 is 544133002.

It can be written as a sum of positive squares in 4 ways, for example, as 1887876 + 198443569 = 1374^2 + 14087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200331445 - 215 = 200298677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13299 + ... + 24031.

It is an arithmetic number, because the mean of its divisors is an integer number (30060567).

Almost surely, 2200331445 is an apocalyptic number.

It is an amenable number.

200331445 is a deficient number, since it is larger than the sum of its proper divisors (40153091).

200331445 is a wasteful number, since it uses less digits than its factorization.

200331445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 200331445 is about 14153.8491231184. The cubic root of 200331445 is about 585.1264197041.

Adding to 200331445 its reverse (544133002), we get a palindrome (744464447).

The spelling of 200331445 in words is "two hundred million, three hundred thirty-one thousand, four hundred forty-five".

Divisors: 1 5 3733 10733 18665 53665 40066289 200331445