Base | Representation |
---|---|
bin | 100100011000… |
… | …0110111100110 |
3 | 1022220002100020 |
4 | 1020300313212 |
5 | 14340341114 |
6 | 1520500010 |
7 | 321062613 |
oct | 110606746 |
9 | 38802306 |
10 | 19074534 |
11 | a848a86 |
12 | 647a606 |
13 | 3c4b10b |
14 | 276750a |
15 | 1a1baa9 |
hex | 1230de6 |
19074534 has 12 divisors (see below), whose sum is σ = 38170476. Its totient is φ = 6354612.
The previous prime is 19074529. The next prime is 19074551. The reversal of 19074534 is 43547091.
It is a junction number, because it is equal to n+sod(n) for n = 19074495 and 19074504.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9807 + ... + 11589.
It is an arithmetic number, because the mean of its divisors is an integer number (3180873).
Almost surely, 219074534 is an apocalyptic number.
19074534 is an abundant number, since it is smaller than the sum of its proper divisors (19095942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19074534 is an frugal number, since it uses more digits than its factorization.
19074534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3571 (or 1788 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 19074534 is about 4367.4402113824. The cubic root of 19074534 is about 267.1886335508.
It can be divided in two parts, 1907 and 4534, that added together give a triangular number (6441 = T113).
The spelling of 19074534 in words is "nineteen million, seventy-four thousand, five hundred thirty-four".
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