Base | Representation |
---|---|
bin | 1010010000111111010110 |
3 | 12001201101210 |
4 | 22100333112 |
5 | 1142103110 |
6 | 133402250 |
7 | 31605366 |
oct | 12207726 |
9 | 5051353 |
10 | 2691030 |
11 | 15788a1 |
12 | a99386 |
13 | 732b34 |
14 | 5009a6 |
15 | 382520 |
hex | 290fd6 |
2691030 has 32 divisors (see below), whose sum is σ = 6501888. Its totient is φ = 712800.
The previous prime is 2691019. The next prime is 2691037. The reversal of 2691030 is 301962.
It is a junction number, because it is equal to n+sod(n) for n = 2690988 and 2691006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2691037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7965 + ... + 8295.
It is an arithmetic number, because the mean of its divisors is an integer number (203184).
22691030 is an apocalyptic number.
2691030 is an abundant number, since it is smaller than the sum of its proper divisors (3810858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2691030 is a wasteful number, since it uses less digits than its factorization.
2691030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 2691030 is about 1640.4359176755. The cubic root of 2691030 is about 139.0932900303.
Adding to 2691030 its reverse (301962), we get a palindrome (2992992).
The spelling of 2691030 in words is "two million, six hundred ninety-one thousand, thirty".
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