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204530533 = 2952113537
BaseRepresentation
bin11000011000011…
…10001101100101
3112020212020010221
430030032031211
5404324434113
632143444341
75032323634
oct1414161545
9466766127
10204530533
11a54a78a9
12585b66b1
13334b24ac
141d24151b
1512e5198d
hexc30e365

204530533 has 8 divisors (see below), whose sum is σ = 212005080. Its totient is φ = 197084160.

The previous prime is 204530531. The next prime is 204530537. The reversal of 204530533 is 335035402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67125249 + 137405284 = 8193^2 + 11722^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 204530533 - 21 = 204530531 is a prime.

It is a super-4 number, since 4×2045305334 (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204530498 and 204530507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204530531) 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 7 ways as a sum of consecutive naturals, for example, 8341 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (26500635).

Almost surely, 2204530533 is an apocalyptic number.

It is an amenable number.

204530533 is a deficient number, since it is larger than the sum of its proper divisors (7474547).

204530533 is a wasteful number, since it uses less digits than its factorization.

204530533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 204530533 is about 14301.4171675397. The cubic root of 204530533 is about 589.1864042019.

Adding to 204530533 its reverse (335035402), we get a palindrome (539565935).

The spelling of 204530533 in words is "two hundred four million, five hundred thirty thousand, five hundred thirty-three".

Divisors: 1 29 521 13537 15109 392573 7052777 204530533