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204012449 is a prime number
BaseRepresentation
bin11000010100011…
…11101110100001
3112012212220110122
430022033232201
5404211344244
632124410025
75025035324
oct1412175641
9465786418
10204012449
11a5183633
12583a6915
1333360734
141d1487bb
1512d9d1ee
hexc28fba1

204012449 has 2 divisors, whose sum is σ = 204012450. Its totient is φ = 204012448.

The previous prime is 204012421. The next prime is 204012451. The reversal of 204012449 is 944210402.

204012449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149621824 + 54390625 = 12232^2 + 7375^2 .

It is a cyclic number.

It is not a de Polignac number, because 204012449 - 212 = 204008353 is a prime.

Together with 204012451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204012469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102006224 + 102006225.

It is an arithmetic number, because the mean of its divisors is an integer number (102006225).

Almost surely, 2204012449 is an apocalyptic number.

It is an amenable number.

204012449 is a deficient number, since it is larger than the sum of its proper divisors (1).

204012449 is an equidigital number, since it uses as much as digits as its factorization.

204012449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 204012449 is about 14283.2926526064. The cubic root of 204012449 is about 588.6885060104.

The spelling of 204012449 in words is "two hundred four million, twelve thousand, four hundred forty-nine".