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204242341 = 433747093
BaseRepresentation
bin11000010110001…
…11110110100101
3112020022120211011
430023013312211
5404241223331
632133342221
75030013502
oct1413076645
9466276734
10204242341
11a5320326
1258497971
1333411274
141d1a84a9
1512de63b1
hexc2c7da5

204242341 has 4 divisors (see below), whose sum is σ = 204293772. Its totient is φ = 204190912.

The previous prime is 204242329. The next prime is 204242351. The reversal of 204242341 is 143242402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143242402 = 271621201.

It can be written as a sum of positive squares in 2 ways, for example, as 111197025 + 93045316 = 10545^2 + 9646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204242341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204242351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19210 + ... + 27883.

It is an arithmetic number, because the mean of its divisors is an integer number (51073443).

Almost surely, 2204242341 is an apocalyptic number.

It is an amenable number.

204242341 is a deficient number, since it is larger than the sum of its proper divisors (51431).

204242341 is an equidigital number, since it uses as much as digits as its factorization.

204242341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51430.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204242341 is about 14291.3379709529. The cubic root of 204242341 is about 588.9095447694.

Adding to 204242341 its reverse (143242402), we get a palindrome (347484743).

The spelling of 204242341 in words is "two hundred four million, two hundred forty-two thousand, three hundred forty-one".

Divisors: 1 4337 47093 204242341