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204369 = 3112563
BaseRepresentation
bin110001111001010001
3101101100020
4301321101
523014434
64214053
71510554
oct617121
9341306
10204369
1112a600
129a329
1372039
145469b
1540849
hex31e51

204369 has 12 divisors (see below), whose sum is σ = 300048. Its totient is φ = 123640.

The previous prime is 204367. The next prime is 204371. The reversal of 204369 is 963402.

204369 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 (204367) and next prime (204371).

It is not a de Polignac number, because 204369 - 21 = 204367 is a prime.

It is a super-2 number, since 2×2043692 = 83533376322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (25004).

2204369 is an apocalyptic number.

204369 is the 242-nd nonagonal number.

It is an amenable number.

204369 is a deficient number, since it is larger than the sum of its proper divisors (95679).

204369 is a wasteful number, since it uses less digits than its factorization.

204369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 204369 is about 452.0718969368. The cubic root of 204369 is about 58.9031255217.

It can be divided in two parts, 2043 and 69, that added together give a palindrome (2112).

The spelling of 204369 in words is "two hundred four thousand, three hundred sixty-nine".

Divisors: 1 3 11 33 121 363 563 1689 6193 18579 68123 204369