Base | Representation |
---|---|
bin | 11110100001011110100100 |
3 | 120001111220210 |
4 | 132201132210 |
5 | 4022021234 |
6 | 443255420 |
7 | 125003553 |
oct | 36413644 |
9 | 16044823 |
10 | 8001444 |
11 | 4575670 |
12 | 281a570 |
13 | 1871ca9 |
14 | 10c3d9a |
15 | a80be9 |
hex | 7a17a4 |
8001444 has 24 divisors (see below), whose sum is σ = 20367648. Its totient is φ = 2424640.
The previous prime is 8001359. The next prime is 8001491. The reversal of 8001444 is 4441008.
It is a self number, because there is not a number n which added to its sum of digits gives 8001444.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30177 + ... + 30440.
It is an arithmetic number, because the mean of its divisors is an integer number (848652).
Almost surely, 28001444 is an apocalyptic number.
It is an amenable number.
8001444 is an abundant number, since it is smaller than the sum of its proper divisors (12366204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8001444 is a wasteful number, since it uses less digits than its factorization.
8001444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60635 (or 60633 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 8001444 is about 2828.6823787764. The cubic root of 8001444 is about 200.0120326094.
The spelling of 8001444 in words is "eight million, one thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •