Base | Representation |
---|---|
bin | 100110010001… |
… | …0010100000000 |
3 | 1101202022221011 |
4 | 1030202110000 |
5 | 20114012423 |
6 | 1554010304 |
7 | 332352064 |
oct | 114422400 |
9 | 41668834 |
10 | 20063488 |
11 | 10363aa5 |
12 | 6876994 |
13 | 42062b3 |
14 | 2943aa4 |
15 | 1b64b0d |
hex | 1322500 |
20063488 has 36 divisors (see below), whose sum is σ = 40362868. Its totient is φ = 9953280.
The previous prime is 20063471. The next prime is 20063497. The reversal of 20063488 is 88436002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 19079424 = 992^2 + 4368^2 .
It is a super-2 number, since 2×200634882 = 805087101452288, 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 (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46120 + ... + 46552.
Almost surely, 220063488 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 20063488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20181434).
20063488 is an abundant number, since it is smaller than the sum of its proper divisors (20299380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20063488 is an equidigital number, since it uses as much as digits as its factorization.
20063488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630 (or 616 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 20063488 is about 4479.2285049995. The cubic root of 20063488 is about 271.7286798517.
The spelling of 20063488 in words is "twenty million, sixty-three thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •