Base | Representation |
---|---|
bin | 11010011110011… |
… | …111100110111001 |
3 | 1010221211202202202 |
4 | 122132133212321 |
5 | 1402203421101 |
6 | 112024435545 |
7 | 14002435550 |
oct | 3236374671 |
9 | 1127752682 |
10 | 444201401 |
11 | 2088160a6 |
12 | 104918bb5 |
13 | 71049587 |
14 | 42dccd97 |
15 | 28ee536b |
hex | 1a79f9b9 |
444201401 has 4 divisors (see below), whose sum is σ = 507658752. Its totient is φ = 380744052.
The previous prime is 444201389. The next prime is 444201409. The reversal of 444201401 is 104102444.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-444201401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (444201409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31728665 + ... + 31728678.
It is an arithmetic number, because the mean of its divisors is an integer number (126914688).
Almost surely, 2444201401 is an apocalyptic number.
It is an amenable number.
444201401 is a deficient number, since it is larger than the sum of its proper divisors (63457351).
444201401 is an equidigital number, since it uses as much as digits as its factorization.
444201401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63457350.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 444201401 is about 21076.0859981164. The cubic root of 444201401 is about 763.0036953581.
Adding to 444201401 its reverse (104102444), we get a palindrome (548303845).
The spelling of 444201401 in words is "four hundred forty-four million, two hundred one thousand, four hundred one".
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