Base | Representation |
---|---|
bin | 11010010100101… |
… | …01011011001010 |
3 | 120101111110111100 |
4 | 31022111123022 |
5 | 423012004002 |
6 | 33524442230 |
7 | 5320610454 |
oct | 1512253312 |
9 | 511443440 |
10 | 220813002 |
11 | 103709093 |
12 | 61b49376 |
13 | 369937a7 |
14 | 2147d2d4 |
15 | 145bb11c |
hex | d2956ca |
220813002 has 24 divisors (see below), whose sum is σ = 479774880. Its totient is φ = 73397160.
The previous prime is 220813001. The next prime is 220813013. The reversal of 220813002 is 200318022.
It is a happy number.
220813002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (220813001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10624 + ... + 23547.
It is an arithmetic number, because the mean of its divisors is an integer number (19990620).
Almost surely, 2220813002 is an apocalyptic number.
220813002 is an abundant number, since it is smaller than the sum of its proper divisors (258961878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220813002 is a wasteful number, since it uses less digits than its factorization.
220813002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34538 (or 34535 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 220813002 is about 14859.7779929580. Note that the first 3 decimals coincide. The cubic root of 220813002 is about 604.4237866920.
The spelling of 220813002 in words is "two hundred twenty million, eight hundred thirteen thousand, two".
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