Base | Representation |
---|---|
bin | 100110001001… |
… | …1001010101000 |
3 | 1101122011211101 |
4 | 1030103022220 |
5 | 20110021243 |
6 | 1552411144 |
7 | 332003155 |
oct | 114231250 |
9 | 41564741 |
10 | 20001448 |
11 | 10321425 |
12 | 6846ab4 |
13 | 41b3c9c |
14 | 292922c |
15 | 1b5154d |
hex | 13132a8 |
20001448 has 16 divisors (see below), whose sum is σ = 38712960. Its totient is φ = 9678000.
The previous prime is 20001439. The next prime is 20001451. The reversal of 20001448 is 84410002.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40078 + ... + 40573.
It is an arithmetic number, because the mean of its divisors is an integer number (2419560).
Almost surely, 220001448 is an apocalyptic number.
It is an amenable number.
20001448 is a deficient number, since it is larger than the sum of its proper divisors (18711512).
20001448 is a wasteful number, since it uses less digits than its factorization.
20001448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80688 (or 80684 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 20001448 is about 4472.2978433910. The cubic root of 20001448 is about 271.4483122959.
It can be divided in two parts, 20001 and 448, that added together give a square (20449 = 1432).
The spelling of 20001448 in words is "twenty million, one thousand, four hundred forty-eight".
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