Base | Representation |
---|---|
bin | 100100010000… |
… | …1000111111011 |
3 | 1022202210212200 |
4 | 1020201013323 |
5 | 14331310133 |
6 | 1515241243 |
7 | 320403603 |
oct | 110410773 |
9 | 38683780 |
10 | 19010043 |
11 | a804588 |
12 | 6449223 |
13 | 3c27960 |
14 | 274bc03 |
15 | 1a07913 |
hex | 12211fb |
19010043 has 24 divisors (see below), whose sum is σ = 30209088. Its totient is φ = 11446272.
The previous prime is 19010023. The next prime is 19010053. The reversal of 19010043 is 34001091.
It is not a de Polignac number, because 19010043 - 28 = 19009787 is a prime.
It is a super-2 number, since 2×190100432 = 722763469723698, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19009998 and 19010025.
It is not an unprimeable number, because it can be changed into a prime (19010023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3771 + ... + 7227.
It is an arithmetic number, because the mean of its divisors is an integer number (1258712).
Almost surely, 219010043 is an apocalyptic number.
19010043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
19010043 is a deficient number, since it is larger than the sum of its proper divisors (11199045).
19010043 is a wasteful number, since it uses less digits than its factorization.
19010043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3523 (or 3520 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 19010043 is about 4360.0508024563. The cubic root of 19010043 is about 266.8871719553.
The spelling of 19010043 in words is "nineteen million, ten thousand, forty-three".
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