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304442402401 = 547755585613
BaseRepresentation
bin1000110111000100010…
…11100110011001100001
31002002211010002110012101
410123202023212121201
514441444223334101
6351505305130401
730665236503004
oct4334213463141
91062733073171
10304442402401
11108127887a45
124b005189a01
132292a2b9a97
1410a4113753b
157dbc6c1401
hex46e22e6661

304442402401 has 4 divisors (see below), whose sum is σ = 304497993492. Its totient is φ = 304386811312.

The previous prime is 304442402377. The next prime is 304442402413. The reversal of 304442402401 is 104204244403.

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 288235839376 + 16206563025 = 536876^2 + 127305^2 .

It is a cyclic number.

It is not a de Polignac number, because 304442402401 - 221 = 304440305249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304442402401.

It is not an unprimeable number, because it can be changed into a prime (304442402701) 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, 27787330 + ... + 27798283.

It is an arithmetic number, because the mean of its divisors is an integer number (76124498373).

Almost surely, 2304442402401 is an apocalyptic number.

It is an amenable number.

304442402401 is a deficient number, since it is larger than the sum of its proper divisors (55591091).

304442402401 is an equidigital number, since it uses as much as digits as its factorization.

304442402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55591090.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 304442402401 its reverse (104204244403), we get a palindrome (408646646804).

The spelling of 304442402401 in words is "three hundred four billion, four hundred forty-two million, four hundred two thousand, four hundred one".

Divisors: 1 5477 55585613 304442402401