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204303402 = 23211350189
BaseRepresentation
bin11000010110101…
…10110000101010
3112020102200120200
430023112300222
5404300202102
632134533030
75030356512
oct1413266052
9466380520
10204303402
11a5362196
1258507176
1333432cb4
141d1c2842
1512e0951c
hexc2d6c2a

204303402 has 12 divisors (see below), whose sum is σ = 442657410. Its totient is φ = 68101128.

The previous prime is 204303367. The next prime is 204303403.

204303402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 199063881 + 5239521 = 14109^2 + 2289^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11350189 = 204303402 / (2 + 0 + 4 + 3 + 0 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (204303403) 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 5 ways as a sum of consecutive naturals, for example, 5675077 + ... + 5675112.

Almost surely, 2204303402 is an apocalyptic number.

204303402 is an abundant number, since it is smaller than the sum of its proper divisors (238354008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204303402 is a wasteful number, since it uses less digits than its factorization.

204303402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350197 (or 11350194 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204303402 is about 14293.4741053391. The cubic root of 204303402 is about 588.9682264033.

It can be divided in two parts, 20430 and 3402, that added together give a palindrome (23832).

The spelling of 204303402 in words is "two hundred four million, three hundred three thousand, four hundred two".

Divisors: 1 2 3 6 9 18 11350189 22700378 34050567 68101134 102151701 204303402