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204541431 = 3313217829
BaseRepresentation
bin11000011000100…
…00110111110111
3112020212210002120
430030100313313
5404330311211
632144011023
75032400463
oct1414206767
9466783076
10204541431
11a5505006
1258600a73
13334b7443
141d2454a3
1512e54d06
hexc310df7

204541431 has 8 divisors (see below), whose sum is σ = 273594480. Its totient is φ = 135924672.

The previous prime is 204541427. The next prime is 204541457. The reversal of 204541431 is 134145402.

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

It is not a de Polignac number, because 204541431 - 22 = 204541427 is a prime.

It is a super-2 number, since 2×2045414312 = 83674393991055522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204541471) 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, 107976 + ... + 109853.

It is an arithmetic number, because the mean of its divisors is an integer number (34199310).

Almost surely, 2204541431 is an apocalyptic number.

204541431 is a deficient number, since it is larger than the sum of its proper divisors (69053049).

204541431 is a wasteful number, since it uses less digits than its factorization.

204541431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218145.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 204541431 is about 14301.7981736563. The cubic root of 204541431 is about 589.1968685554.

Adding to 204541431 its reverse (134145402), we get a palindrome (338686833).

The spelling of 204541431 in words is "two hundred four million, five hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 313 939 217829 653487 68180477 204541431