Base | Representation |
---|---|
bin | 11010100000011101… |
… | …111010100001110000 |
3 | 2201110120021102100001 |
4 | 122200131322201300 |
5 | 431242233001430 |
6 | 21024131235344 |
7 | 2025213003352 |
oct | 324035724160 |
9 | 81416242301 |
10 | 28462000240 |
11 | 1108606a053 |
12 | 5623a48b54 |
13 | 28b785987b |
14 | 15400930d2 |
15 | b18ac53ca |
hex | 6a077a870 |
28462000240 has 80 divisors (see below), whose sum is σ = 68371623936. Its totient is φ = 11007417600.
The previous prime is 28462000223. The next prime is 28462000249. The reversal of 28462000240 is 4200026482.
It is a tau number, because it is divible by the number of its divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 28462000199 and 28462000208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28462000249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048219 + ... + 3057541.
Almost surely, 228462000240 is an apocalyptic number.
28462000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28462000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34185811968).
28462000240 is an abundant number, since it is smaller than the sum of its proper divisors (39909623696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28462000240 is a wasteful number, since it uses less digits than its factorization.
28462000240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10598 (or 10592 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
The spelling of 28462000240 in words is "twenty-eight billion, four hundred sixty-two million, two hundred forty", and thus it is an aban number.
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