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204233430 = 2356807781
BaseRepresentation
bin11000010110001…
…01101011010110
3112020022010121010
430023011223112
5404240432210
632133233050
75026645512
oct1413055326
9466263533
10204233430
11a5314665
1258492786
133340a1ab
141d1a5142
1512de3920
hexc2c5ad6

204233430 has 16 divisors (see below), whose sum is σ = 490160304. Its totient is φ = 54462240.

The previous prime is 204233411. The next prime is 204233431. The reversal of 204233430 is 34332402.

204233430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2042334302 = 83422587859129800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204233397 and 204233406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204233431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403861 + ... + 3403920.

It is an arithmetic number, because the mean of its divisors is an integer number (30635019).

Almost surely, 2204233430 is an apocalyptic number.

204233430 is an abundant number, since it is smaller than the sum of its proper divisors (285926874).

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

204233430 is a wasteful number, since it uses less digits than its factorization.

204233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807791.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 204233430 is about 14291.0262052800. The cubic root of 204233430 is about 588.9009800268.

Adding to 204233430 its reverse (34332402), we get a palindrome (238565832).

The spelling of 204233430 in words is "two hundred four million, two hundred thirty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6807781 13615562 20423343 34038905 40846686 68077810 102116715 204233430