Base | Representation |
---|---|
bin | 111010011011111… |
… | …100111000000000 |
3 | 2112022210202212110 |
4 | 322123330320000 |
5 | 4001440441020 |
6 | 241141255320 |
7 | 33203211555 |
oct | 7233747000 |
9 | 2468722773 |
10 | 980405760 |
11 | 4634603a4 |
12 | 234404540 |
13 | 128169669 |
14 | 942caa2c |
15 | 5b1108e0 |
hex | 3a6fce00 |
980405760 has 80 divisors (see below), whose sum is σ = 3134259216. Its totient is φ = 261439488.
The previous prime is 980405747. The next prime is 980405771. The reversal of 980405760 is 67504089.
980405760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×9804057602 = 1922390908482355200, which contains 22 as substring.
It is a congruent number.
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, 56149 + ... + 71508.
Almost surely, 2980405760 is an apocalyptic number.
It is an amenable number.
980405760 is an abundant number, since it is smaller than the sum of its proper divisors (2153853456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
980405760 is a wasteful number, since it uses less digits than its factorization.
980405760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127683 (or 127667 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 980405760 is about 31311.4317781861. The cubic root of 980405760 is about 993.4254567754.
The spelling of 980405760 in words is "nine hundred eighty million, four hundred five thousand, seven hundred sixty".
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