Base | Representation |
---|---|
bin | 101011001001111… |
… | …1111100000001100 |
3 | 10201220211011021012 |
4 | 1112103333200030 |
5 | 10431202101140 |
6 | 355405224352 |
7 | 50612326502 |
oct | 12623774014 |
9 | 3656734235 |
10 | 1448081420 |
11 | 68344a005 |
12 | 344b620b8 |
13 | 1a1014816 |
14 | da46a672 |
15 | 871e1265 |
hex | 564ff80c |
1448081420 has 24 divisors (see below), whose sum is σ = 3219852384. Its totient is φ = 545159936.
The previous prime is 1448081413. The next prime is 1448081431. The reversal of 1448081420 is 241808441.
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, 2129192 + ... + 2129871.
It is an arithmetic number, because the mean of its divisors is an integer number (134160516).
Almost surely, 21448081420 is an apocalyptic number.
1448081420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1448081420 is an abundant number, since it is smaller than the sum of its proper divisors (1771770964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1448081420 is a wasteful number, since it uses less digits than its factorization.
1448081420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4259089 (or 4259087 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 32.
The square root of 1448081420 is about 38053.6650008905. The cubic root of 1448081420 is about 1131.3517694022.
Adding to 1448081420 its reverse (241808441), we get a palindrome (1689889861).
The spelling of 1448081420 in words is "one billion, four hundred forty-eight million, eighty-one thousand, four hundred twenty".
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