Base | Representation |
---|---|
bin | 100100011111… |
… | …1011100000000 |
3 | 1100000010012101 |
4 | 1020333130000 |
5 | 14344243313 |
6 | 1522040144 |
7 | 321431602 |
oct | 110773400 |
9 | 40003171 |
10 | 19134208 |
11 | a8898a5 |
12 | 64a9054 |
13 | 3c6c322 |
14 | 2781172 |
15 | 1a2e5dd |
hex | 123f700 |
19134208 has 36 divisors (see below), whose sum is σ = 39146688. Its totient is φ = 9328640.
The previous prime is 19134191. The next prime is 19134211. The reversal of 19134208 is 80243191.
It is a happy number.
It is a super-2 number, since 2×191342082 = 732235831574528, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 9585 + ... + 11407.
It is an arithmetic number, because the mean of its divisors is an integer number (1087408).
Almost surely, 219134208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19134208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19573344).
19134208 is an abundant number, since it is smaller than the sum of its proper divisors (20012480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19134208 is an equidigital number, since it uses as much as digits as its factorization.
19134208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1880 (or 1866 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 19134208 is about 4374.2665670944. The cubic root of 19134208 is about 267.4669735335.
Adding to 19134208 its reverse (80243191), we get a palindrome (99377399).
The spelling of 19134208 in words is "nineteen million, one hundred thirty-four thousand, two hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •