Base | Representation |
---|---|
bin | 101001111110011… |
… | …0010100101100000 |
3 | 10122011020102000001 |
4 | 1103330302211200 |
5 | 10341030213033 |
6 | 351431505344 |
7 | 46621403653 |
oct | 12374624540 |
9 | 3564212001 |
10 | 1408444768 |
11 | 663037445 |
12 | 333828254 |
13 | 195a47493 |
14 | d50ad89a |
15 | 839b1e7d |
hex | 53f32960 |
1408444768 has 24 divisors (see below), whose sum is σ = 2918817720. Its totient is φ = 667157760.
The previous prime is 1408444757. The next prime is 1408444777. The reversal of 1408444768 is 8674448041.
It is a congruent number.
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, 1157653 + ... + 1158868.
It is an arithmetic number, because the mean of its divisors is an integer number (121617405).
Almost surely, 21408444768 is an apocalyptic number.
It is an amenable number.
1408444768 is an abundant number, since it is smaller than the sum of its proper divisors (1510372952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1408444768 is a wasteful number, since it uses less digits than its factorization.
1408444768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2316550 (or 2316542 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 46.
The square root of 1408444768 is about 37529.2521641452. The cubic root of 1408444768 is about 1120.9337366397.
The spelling of 1408444768 in words is "one billion, four hundred eight million, four hundred forty-four thousand, seven hundred sixty-eight".
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