Base | Representation |
---|---|
bin | 100110000010… |
… | …0110111000000 |
3 | 1101112012110000 |
4 | 1030010313000 |
5 | 20101132343 |
6 | 1551240000 |
7 | 331340262 |
oct | 114046700 |
9 | 41465400 |
10 | 19942848 |
11 | 102913a2 |
12 | 6819000 |
13 | 4193403 |
14 | 2911b32 |
15 | 1b3ded3 |
hex | 1304dc0 |
19942848 has 70 divisors (see below), whose sum is σ = 59132216. Its totient is φ = 6645888.
The previous prime is 19942847. The next prime is 19942859. The reversal of 19942848 is 84824991.
It is a super-2 number, since 2×199428482 = 795434372702208, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19942847) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3261 + ... + 7107.
Almost surely, 219942848 is an apocalyptic number.
19942848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29566108).
19942848 is an abundant number, since it is smaller than the sum of its proper divisors (39189368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19942848 is an equidigital number, since it uses as much as digits as its factorization.
19942848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3871 (or 3852 counting only the distinct ones).
The product of its digits is 165888, while the sum is 45.
The square root of 19942848 is about 4465.7415957487. The cubic root of 19942848 is about 271.1829576572.
The spelling of 19942848 in words is "nineteen million, nine hundred forty-two thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •