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204002441 = 677301333
BaseRepresentation
bin11000010100011…
…01010010001001
3112012212101201222
430022031102021
5404211034231
632124251425
75024664206
oct1412152211
9465771658
10204002441
11a5177065
12583a0b75
1333359006
141d144cad
1512d9a27b
hexc28d489

204002441 has 4 divisors (see below), whose sum is σ = 204304452. Its totient is φ = 203700432.

The previous prime is 204002399. The next prime is 204002473. The reversal of 204002441 is 144200402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196140025 + 7862416 = 14005^2 + 2804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204002441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204002641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149990 + ... + 151343.

It is an arithmetic number, because the mean of its divisors is an integer number (51076113).

Almost surely, 2204002441 is an apocalyptic number.

It is an amenable number.

204002441 is a deficient number, since it is larger than the sum of its proper divisors (302011).

204002441 is an equidigital number, since it uses as much as digits as its factorization.

204002441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302010.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204002441 is about 14282.9423089222. The cubic root of 204002441 is about 588.6788796519.

Adding to 204002441 its reverse (144200402), we get a palindrome (348202843).

The spelling of 204002441 in words is "two hundred four million, two thousand, four hundred forty-one".

Divisors: 1 677 301333 204002441