Base | Representation |
---|---|
bin | 100100011110… |
… | …1111011100100 |
3 | 1022222210201210 |
4 | 1020331323210 |
5 | 14344044121 |
6 | 1521551420 |
7 | 321404604 |
oct | 110757344 |
9 | 38883653 |
10 | 19128036 |
11 | a8851a4 |
12 | 64a5570 |
13 | 3c69585 |
14 | 277cc04 |
15 | 1a2c876 |
hex | 123dee4 |
19128036 has 24 divisors (see below), whose sum is σ = 45390240. Its totient is φ = 6267712.
The previous prime is 19128007. The next prime is 19128047. The reversal of 19128036 is 63082191.
It is a super-2 number, since 2×191280362 = 731763522434592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 19127994 and 19128012.
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, 12801 + ... + 14216.
It is an arithmetic number, because the mean of its divisors is an integer number (1891260).
Almost surely, 219128036 is an apocalyptic number.
It is an amenable number.
19128036 is an abundant number, since it is smaller than the sum of its proper divisors (26262204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19128036 is a wasteful number, since it uses less digits than its factorization.
19128036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27083 (or 27081 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 19128036 is about 4373.5610204958. The cubic root of 19128036 is about 267.4382120662.
The spelling of 19128036 in words is "nineteen million, one hundred twenty-eight thousand, thirty-six".
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