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205342485 = 3513689499
BaseRepresentation
bin11000011110101…
…00011100010101
3112022101110221020
430033110130111
5410031424420
632213111353
75042245065
oct1417243425
9468343836
10205342485
11a5a01937
1258928559
1333707c3a
141d3b33a5
1513062340
hexc3d4715

205342485 has 8 divisors (see below), whose sum is σ = 328548000. Its totient is φ = 109515984.

The previous prime is 205342477. The next prime is 205342493. The reversal of 205342485 is 584243502.

205342485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205342477) and next prime (205342493).

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

It is not a de Polignac number, because 205342485 - 23 = 205342477 is a prime.

It is a super-2 number, since 2×2053424852 = 84331072291950450, which contains 22 as substring.

It is a Curzon 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, 6844735 + ... + 6844764.

It is an arithmetic number, because the mean of its divisors is an integer number (41068500).

Almost surely, 2205342485 is an apocalyptic number.

It is an amenable number.

205342485 is a deficient number, since it is larger than the sum of its proper divisors (123205515).

205342485 is a wasteful number, since it uses less digits than its factorization.

205342485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689507.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 205342485 is about 14329.7761671284. The cubic root of 205342485 is about 589.9650319216.

Adding to 205342485 its reverse (584243502), we get a palindrome (789585987).

The spelling of 205342485 in words is "two hundred five million, three hundred forty-two thousand, four hundred eighty-five".

Divisors: 1 3 5 15 13689499 41068497 68447495 205342485