Base | Representation |
---|---|
bin | 1100001100101… |
… | …00100001011100 |
3 | 21010112101221210 |
4 | 12012110201130 |
5 | 202143221340 |
6 | 14053024420 |
7 | 2351464452 |
oct | 606244134 |
9 | 233471853 |
10 | 102320220 |
11 | 52836772 |
12 | 2a325110 |
13 | 18276912 |
14 | d8369d2 |
15 | 8eb2180 |
hex | 619485c |
102320220 has 48 divisors (see below), whose sum is σ = 293166720. Its totient is φ = 26650176.
The previous prime is 102320201. The next prime is 102320279. The reversal of 102320220 is 22023201.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 102320196 and 102320205.
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 15 ways as a sum of consecutive naturals, for example, 17250 + ... + 22409.
It is an arithmetic number, because the mean of its divisors is an integer number (6107640).
Almost surely, 2102320220 is an apocalyptic number.
102320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102320220 is an abundant number, since it is smaller than the sum of its proper divisors (190846500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102320220 is a wasteful number, since it uses less digits than its factorization.
102320220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39714 (or 39712 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 102320220 is about 10115.3457676938. The cubic root of 102320220 is about 467.7213075183.
Adding to 102320220 its reverse (22023201), we get a palindrome (124343421).
The spelling of 102320220 in words is "one hundred two million, three hundred twenty thousand, two hundred twenty".
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