Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1011110000110100 |
3 | 12201201201102021101 |
4 | 2010111123300310 |
5 | 14021333230002 |
6 | 1004150455444 |
7 | 106006325050 |
oct | 20425336064 |
9 | 5651642241 |
10 | 2220211252 |
11 | a3a284636 |
12 | 51b664584 |
13 | 294c89c8c |
14 | 170c1cc60 |
15 | cedb0587 |
hex | 8455bc34 |
2220211252 has 24 divisors (see below), whose sum is σ = 4633485696. Its totient is φ = 910148448.
The previous prime is 2220211223. The next prime is 2220211267. The reversal of 2220211252 is 2521120222.
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, 1723123 + ... + 1724410.
It is an arithmetic number, because the mean of its divisors is an integer number (193061904).
Almost surely, 22220211252 is an apocalyptic number.
It is an amenable number.
2220211252 is an abundant number, since it is smaller than the sum of its proper divisors (2413274444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220211252 is a wasteful number, since it uses less digits than its factorization.
2220211252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3447567 (or 3447565 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 2220211252 is about 47119.1176912302. The cubic root of 2220211252 is about 1304.5621274794.
Adding to 2220211252 its reverse (2521120222), we get a palindrome (4741331474).
The spelling of 2220211252 in words is "two billion, two hundred twenty million, two hundred eleven thousand, two hundred fifty-two".
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