Base | Representation |
---|---|
bin | 100100010010… |
… | …0110101010110 |
3 | 1022210120201110 |
4 | 1020210311112 |
5 | 14332301423 |
6 | 1515435450 |
7 | 320466111 |
oct | 110446526 |
9 | 38716643 |
10 | 19025238 |
11 | a814a41 |
12 | 6455b86 |
13 | 3c3184b |
14 | 2753578 |
15 | 1a0c193 |
hex | 1224d56 |
19025238 has 16 divisors (see below), whose sum is σ = 38156976. Its totient is φ = 6324000.
The previous prime is 19025203. The next prime is 19025239. The reversal of 19025238 is 83252091.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19025239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013 + ... + 6488.
It is an arithmetic number, because the mean of its divisors is an integer number (2384811).
Almost surely, 219025238 is an apocalyptic number.
19025238 is an abundant number, since it is smaller than the sum of its proper divisors (19131738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19025238 is a wasteful number, since it uses less digits than its factorization.
19025238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8879.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 19025238 is about 4361.7929799568. The cubic root of 19025238 is about 266.9582619323.
It can be divided in two parts, 1902 and 5238, that added together give a triangular number (7140 = T119).
The spelling of 19025238 in words is "nineteen million, twenty-five thousand, two hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •