Base | Representation |
---|---|
bin | 110010011101100… |
… | …1100111110001001 |
3 | 11101000010120021222 |
4 | 1210323030332021 |
5 | 11431432204400 |
6 | 440004011425 |
7 | 56650212224 |
oct | 14473147611 |
9 | 4330116258 |
10 | 1693241225 |
11 | 799877215 |
12 | 3b3090b75 |
13 | 20ca510b0 |
14 | 120c465bb |
15 | 9d9bb185 |
hex | 64eccf89 |
1693241225 has 48 divisors (see below), whose sum is σ = 2412689328. Its totient is φ = 1167728640.
The previous prime is 1693241203. The next prime is 1693241227. The reversal of 1693241225 is 5221423961.
1693241225 = T389 + T390 + ... + T2169.
It can be written as a sum of positive squares in 24 ways, for example, as 825585289 + 867655936 = 28733^2 + 29456^2 .
It is not a de Polignac number, because 1693241225 - 26 = 1693241161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1693241227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 755807 + ... + 758043.
It is an arithmetic number, because the mean of its divisors is an integer number (50264361).
Almost surely, 21693241225 is an apocalyptic number.
It is an amenable number.
1693241225 is a deficient number, since it is larger than the sum of its proper divisors (719448103).
1693241225 is a wasteful number, since it uses less digits than its factorization.
1693241225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2414 (or 2409 counting only the distinct ones).
The product of its digits is 25920, while the sum is 35.
The square root of 1693241225 is about 41149.0124425848. The cubic root of 1693241225 is about 1191.8994275855.
The spelling of 1693241225 in words is "one billion, six hundred ninety-three million, two hundred forty-one thousand, two hundred twenty-five".
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