Base | Representation |
---|---|
bin | 100100001111… |
… | …0101011011000 |
3 | 1022202022010121 |
4 | 1020132223120 |
5 | 14331000044 |
6 | 1515123024 |
7 | 320332441 |
oct | 110365330 |
9 | 38668117 |
10 | 19000024 |
11 | a7a7aaa |
12 | 6443474 |
13 | 3c23224 |
14 | 27482c8 |
15 | 1a04984 |
hex | 121ead8 |
19000024 has 32 divisors (see below), whose sum is σ = 38384640. Its totient is φ = 8791200.
The previous prime is 19000013. The next prime is 19000027. The reversal of 19000024 is 42000091.
It is a super-2 number, since 2×190000242 = 722001824001152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18999971 and 19000007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19000027) 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, 4039 + ... + 7369.
It is an arithmetic number, because the mean of its divisors is an integer number (1199520).
Almost surely, 219000024 is an apocalyptic number.
It is an amenable number.
19000024 is an abundant number, since it is smaller than the sum of its proper divisors (19384616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19000024 is a wasteful number, since it uses less digits than its factorization.
19000024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3391 (or 3387 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 19000024 is about 4358.9016965286. The cubic root of 19000024 is about 266.8402772259.
The spelling of 19000024 in words is "nineteen million, twenty-four", and thus it is an aban number.
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