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205900244 = 22114679551
BaseRepresentation
bin11000100010111…
…00100111010100
3112100102211000222
430101130213110
5410202301434
632233053512
75050060154
oct1421344724
9470384028
10205900244
11a62529a0
1258b57298
1333871a84
141d4ba764
151312272e
hexc45c9d4

205900244 has 12 divisors (see below), whose sum is σ = 393082368. Its totient is φ = 93591000.

The previous prime is 205900241. The next prime is 205900273. The reversal of 205900244 is 442009502.

205900244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205900241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2339732 + ... + 2339819.

It is an arithmetic number, because the mean of its divisors is an integer number (32756864).

Almost surely, 2205900244 is an apocalyptic number.

It is an amenable number.

205900244 is a deficient number, since it is larger than the sum of its proper divisors (187182124).

205900244 is a wasteful number, since it uses less digits than its factorization.

205900244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679566 (or 4679564 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205900244 is about 14349.2245086625. The cubic root of 205900244 is about 590.4987107679.

Adding to 205900244 its reverse (442009502), we get a palindrome (647909746).

The spelling of 205900244 in words is "two hundred five million, nine hundred thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 4679551 9359102 18718204 51475061 102950122 205900244