Base | Representation |
---|---|
bin | 1100001011111… |
… | …01010001111100 |
3 | 21010100120100212 |
4 | 12011331101330 |
5 | 202132200040 |
6 | 14051011552 |
7 | 2350620062 |
oct | 605752174 |
9 | 233316325 |
10 | 102225020 |
11 | 52781197 |
12 | 2a299bb8 |
13 | 182424a1 |
14 | d810032 |
15 | 8e93d65 |
hex | 617d47c |
102225020 has 24 divisors (see below), whose sum is σ = 218194368. Its totient is φ = 40219200.
The previous prime is 102225007. The next prime is 102225031. The reversal of 102225020 is 20522201.
It is a junction number, because it is equal to n+sod(n) for n = 102224986 and 102225004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40676 + ... + 43115.
It is an arithmetic number, because the mean of its divisors is an integer number (9091432).
Almost surely, 2102225020 is an apocalyptic number.
102225020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102225020 is an abundant number, since it is smaller than the sum of its proper divisors (115969348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102225020 is a wasteful number, since it uses less digits than its factorization.
102225020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83861 (or 83859 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 102225020 is about 10110.6389511247. The cubic root of 102225020 is about 467.5762046080.
Adding to 102225020 its reverse (20522201), we get a palindrome (122747221).
The spelling of 102225020 in words is "one hundred two million, two hundred twenty-five thousand, twenty".
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