Base | Representation |
---|---|
bin | 1010011000110001110010 |
3 | 12010100011021 |
4 | 22120301302 |
5 | 1144113210 |
6 | 134210054 |
7 | 32100400 |
oct | 12306162 |
9 | 5110137 |
10 | 2722930 |
11 | 159a861 |
12 | ab392a |
13 | 744502 |
14 | 50c470 |
15 | 38bbda |
hex | 298c72 |
2722930 has 24 divisors (see below), whose sum is σ = 5702508. Its totient is φ = 933408.
The previous prime is 2722919. The next prime is 2722931. The reversal of 2722930 is 392272.
It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 108241 = 1617^2 + 329^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2722895 and 2722904.
It is not an unprimeable number, because it can be changed into a prime (2722931) 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, 2289 + ... + 3268.
22722930 is an apocalyptic number.
2722930 is an abundant number, since it is smaller than the sum of its proper divisors (2979578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2722930 is a wasteful number, since it uses less digits than its factorization.
2722930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5578 (or 5571 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 2722930 is about 1650.1302978856. The cubic root of 2722930 is about 139.6407455713.
The spelling of 2722930 in words is "two million, seven hundred twenty-two thousand, nine hundred thirty".
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