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200432997 = 3238515783
BaseRepresentation
bin10111111001001…
…01110101100101
3111222011001101100
423330211311211
5402302323442
631515550313
74652436522
oct1374456545
9458131340
10200432997
11a3159306
125715b399
13326a940b
141c896149
15128e284c
hexbf25d65

200432997 has 12 divisors (see below), whose sum is σ = 289639584. Its totient is φ = 133564200.

The previous prime is 200432987. The next prime is 200433029. The reversal of 200432997 is 799234002.

It is not a de Polignac number, because 200432997 - 211 = 200430949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200432927) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 31768 + ... + 37550.

It is an arithmetic number, because the mean of its divisors is an integer number (24136632).

Almost surely, 2200432997 is an apocalyptic number.

It is an amenable number.

200432997 is a deficient number, since it is larger than the sum of its proper divisors (89206587).

200432997 is a wasteful number, since it uses less digits than its factorization.

200432997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640 (or 9637 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 200432997 is about 14157.4361026282. The cubic root of 200432997 is about 585.2252737481.

Adding to 200432997 its reverse (799234002), we get a palindrome (999666999).

The spelling of 200432997 in words is "two hundred million, four hundred thirty-two thousand, nine hundred ninety-seven".

Divisors: 1 3 9 3851 5783 11553 17349 34659 52047 22270333 66810999 200432997