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404203201 = 894541609
BaseRepresentation
bin11000000101111…
…010011011000001
31001011120122112221
4120011322123001
51311434000301
6104035251041
713005445663
oct3005723301
91034518487
10404203201
11198186936
12b3449a81
13659837bc
143b97a533
1525743da1
hex1817a6c1

404203201 has 4 divisors (see below), whose sum is σ = 408744900. Its totient is φ = 399661504.

The previous prime is 404203199. The next prime is 404203223. The reversal of 404203201 is 102302404.

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 270569601 + 133633600 = 16449^2 + 11560^2 .

It is a cyclic number.

It is not a de Polignac number, because 404203201 - 21 = 404203199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404203291) 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 3 ways as a sum of consecutive naturals, for example, 2270716 + ... + 2270893.

It is an arithmetic number, because the mean of its divisors is an integer number (102186225).

Almost surely, 2404203201 is an apocalyptic number.

It is an amenable number.

404203201 is a deficient number, since it is larger than the sum of its proper divisors (4541699).

404203201 is an equidigital number, since it uses as much as digits as its factorization.

404203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541698.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404203201 is about 20104.8054205953. The cubic root of 404203201 is about 739.3780999721.

Adding to 404203201 its reverse (102302404), we get a palindrome (506505605).

It can be divided in two parts, 404203 and 201, that added together give a palindrome (404404).

The spelling of 404203201 in words is "four hundred four million, two hundred three thousand, two hundred one".

Divisors: 1 89 4541609 404203201