Base | Representation |
---|---|
bin | 100111100110… |
… | …1001000011010 |
3 | 1110001212201000 |
4 | 1033031020122 |
5 | 20303410122 |
6 | 2021005430 |
7 | 341325000 |
oct | 117151032 |
9 | 43055630 |
10 | 20763162 |
11 | 107a1742 |
12 | 6b53876 |
13 | 43bc8c4 |
14 | 2a86a70 |
15 | 1c520ac |
hex | 13cd21a |
20763162 has 128 divisors (see below), whose sum is σ = 57600000. Its totient is φ = 5524848.
The previous prime is 20763157. The next prime is 20763163. The reversal of 20763162 is 26136702.
It is a happy number.
20763162 is a `hidden beast` number, since 20 + 7 + 631 + 6 + 2 = 666.
It is a super-2 number, since 2×207631622 = 862217792476488, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20763163) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351889 + ... + 351947.
It is an arithmetic number, because the mean of its divisors is an integer number (450000).
Almost surely, 220763162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20763162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28800000).
20763162 is an abundant number, since it is smaller than the sum of its proper divisors (36836838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20763162 is a wasteful number, since it uses less digits than its factorization.
20763162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110 (or 90 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 20763162 is about 4556.6612777340. The cubic root of 20763162 is about 274.8513223874.
Adding to 20763162 its reverse (26136702), we get a palindrome (46899864).
The spelling of 20763162 in words is "twenty million, seven hundred sixty-three thousand, one hundred sixty-two".
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