Base | Representation |
---|---|
bin | 111111001100110100001 |
3 | 10220012210200 |
4 | 13321212201 |
5 | 1012232240 |
6 | 112215413 |
7 | 23413512 |
oct | 7714641 |
9 | 3805720 |
10 | 2070945 |
11 | 1194a28 |
12 | 83a569 |
13 | 576816 |
14 | 3bca09 |
15 | 2ad930 |
hex | 1f99a1 |
2070945 has 12 divisors (see below), whose sum is σ = 3589716. Its totient is φ = 1104480.
The previous prime is 2070931. The next prime is 2070947. The reversal of 2070945 is 5490702.
It can be written as a sum of positive squares in 2 ways, for example, as 1535121 + 535824 = 1239^2 + 732^2 .
It is not a de Polignac number, because 2070945 - 29 = 2070433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2070947) 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, 22966 + ... + 23055.
It is an arithmetic number, because the mean of its divisors is an integer number (299143).
22070945 is an apocalyptic number.
It is an amenable number.
2070945 is a deficient number, since it is larger than the sum of its proper divisors (1518771).
2070945 is a wasteful number, since it uses less digits than its factorization.
2070945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46032 (or 46029 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 2070945 is about 1439.0778297229. The cubic root of 2070945 is about 127.4645807036.
The spelling of 2070945 in words is "two million, seventy thousand, nine hundred forty-five".
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