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204632330 = 2572417617
BaseRepresentation
bin11000011001001…
…11000100001010
3112021001101210012
430030213010022
5404341213310
632145551522
75033226500
oct1414470412
9467041705
10204632330
11a5567331
12586455a2
1333519926
141d26a670
1512e71c05
hexc32710a

204632330 has 24 divisors (see below), whose sum is σ = 428476068. Its totient is φ = 70159488.

The previous prime is 204632321. The next prime is 204632341. The reversal of 204632330 is 33236402.

It can be written as a sum of positive squares in 2 ways, for example, as 189971089 + 14661241 = 13783^2 + 3829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204632296 and 204632305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208319 + ... + 209298.

Almost surely, 2204632330 is an apocalyptic number.

204632330 is an abundant number, since it is smaller than the sum of its proper divisors (223843738).

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

204632330 is a wasteful number, since it uses less digits than its factorization.

204632330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417638 (or 417631 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 204632330 is about 14304.9757077739. The cubic root of 204632330 is about 589.2841360822.

Adding to 204632330 its reverse (33236402), we get a palindrome (237868732).

The spelling of 204632330 in words is "two hundred four million, six hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 417617 835234 2088085 2923319 4176170 5846638 14616595 20463233 29233190 40926466 102316165 204632330