Base | Representation |
---|---|
bin | 111100000111111000001 |
3 | 10201002111011 |
4 | 13200333001 |
5 | 1001020423 |
6 | 110120521 |
7 | 22513525 |
oct | 7407701 |
9 | 3632434 |
10 | 1970113 |
11 | 11261a2 |
12 | 7b0141 |
13 | 53c962 |
14 | 393d85 |
15 | 28db0d |
hex | 1e0fc1 |
1970113 has 8 divisors (see below), whose sum is σ = 2098440. Its totient is φ = 1849600.
The previous prime is 1970083. The next prime is 1970119. The reversal of 1970113 is 3110791.
It can be written as a sum of positive squares in 4 ways, for example, as 986049 + 984064 = 993^2 + 992^2 .
It is a de Polignac number, because none of the positive numbers 2k-1970113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1970119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 5113.
It is an arithmetic number, because the mean of its divisors is an integer number (262305).
21970113 is an apocalyptic number.
1970113 is the 993-rd centered square number.
It is an amenable number.
1970113 is a deficient number, since it is larger than the sum of its proper divisors (128327).
1970113 is an frugal number, since it uses more digits than its factorization.
1970113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 452 (or 418 counting only the distinct ones).
The product of its (nonzero) digits is 189, while the sum is 22.
The square root of 1970113 is about 1403.6071387678. The cubic root of 1970113 is about 125.3613649828.
The spelling of 1970113 in words is "one million, nine hundred seventy thousand, one hundred thirteen".
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