Base | Representation |
---|---|
bin | 101010111110011… |
… | …0011001000010011 |
3 | 10201111101021002021 |
4 | 1111330303020103 |
5 | 10423123021202 |
6 | 355031032311 |
7 | 50506544536 |
oct | 12574631023 |
9 | 3644337067 |
10 | 1442001427 |
11 | 67aa77019 |
12 | 342b0b697 |
13 | 19c9962a9 |
14 | d9726a1d |
15 | 868dea37 |
hex | 55f33213 |
1442001427 has 2 divisors, whose sum is σ = 1442001428. Its totient is φ = 1442001426.
The previous prime is 1442001419. The next prime is 1442001437. The reversal of 1442001427 is 7241002441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1442001427 - 23 = 1442001419 is a prime.
It is not a weakly prime, because it can be changed into another prime (1442001437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721000713 + 721000714.
It is an arithmetic number, because the mean of its divisors is an integer number (721000714).
Almost surely, 21442001427 is an apocalyptic number.
1442001427 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442001427 is an equidigital number, since it uses as much as digits as its factorization.
1442001427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 1442001427 is about 37973.6938814227. The cubic root of 1442001427 is about 1129.7661632727.
Adding to 1442001427 its reverse (7241002441), we get a palindrome (8683003868).
The spelling of 1442001427 in words is "one billion, four hundred forty-two million, one thousand, four hundred twenty-seven".
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