Base | Representation |
---|---|
bin | 1011110010111001001… |
… | …00100000100111101000 |
3 | 1102202002122211012000110 |
4 | 11321130210200213220 |
5 | 23120003140003423 |
6 | 510103312534320 |
7 | 41165134110306 |
oct | 5713444404750 |
9 | 1382078735013 |
10 | 405280000488 |
11 | 146972aa3970 |
12 | 666675513a0 |
13 | 2c2aa4b489c |
14 | 1588950d276 |
15 | a82020d193 |
hex | 5e5c9209e8 |
405280000488 has 32 divisors (see below), whose sum is σ = 1105309092960. Its totient is φ = 122812121280.
The previous prime is 405280000481. The next prime is 405280000507. The reversal of 405280000488 is 884000082504.
It is not an unprimeable number, because it can be changed into a prime (405280000481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767575495 + ... + 767576022.
It is an arithmetic number, because the mean of its divisors is an integer number (34540909155).
Almost surely, 2405280000488 is an apocalyptic number.
It is an amenable number.
405280000488 is an abundant number, since it is smaller than the sum of its proper divisors (700029092472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405280000488 is a wasteful number, since it uses less digits than its factorization.
405280000488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1535151537 (or 1535151533 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 39.
The spelling of 405280000488 in words is "four hundred five billion, two hundred eighty million, four hundred eighty-eight", and thus it is an aban number.
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