Base | Representation |
---|---|
bin | 100110100100… |
… | …0100110010110 |
3 | 1102001022001101 |
4 | 1031020212112 |
5 | 20134022220 |
6 | 2001220314 |
7 | 333604225 |
oct | 115104626 |
9 | 42038041 |
10 | 20220310 |
11 | 10460900 |
12 | 693169a |
13 | 425c7a6 |
14 | 2984cbc |
15 | 1b9630a |
hex | 1348996 |
20220310 has 48 divisors (see below), whose sum is σ = 42402528. Its totient is φ = 6913280.
The previous prime is 20220307. The next prime is 20220311. The reversal of 20220310 is 1302202.
It is a super-2 number, since 2×202203102 = 817721872992200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20220311) 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 23 ways as a sum of consecutive naturals, for example, 20079 + ... + 21061.
It is an arithmetic number, because the mean of its divisors is an integer number (883386).
Almost surely, 220220310 is an apocalyptic number.
20220310 is an abundant number, since it is smaller than the sum of its proper divisors (22182218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20220310 is a wasteful number, since it uses less digits than its factorization.
20220310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1029 (or 1018 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 20220310 is about 4496.6999010385. The cubic root of 20220310 is about 272.4348131255.
Adding to 20220310 its reverse (1302202), we get a palindrome (21522512).
The spelling of 20220310 in words is "twenty million, two hundred twenty thousand, three hundred ten".
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