Base | Representation |
---|---|
bin | 110010000011010… |
… | …0011000111001101 |
3 | 11100001011022012222 |
4 | 1210012203013031 |
5 | 11414414011120 |
6 | 434352105125 |
7 | 56421663350 |
oct | 14406430715 |
9 | 4301138188 |
10 | 1679438285 |
11 | 791aa9928 |
12 | 3aa5351a5 |
13 | 209c2a585 |
14 | 11d092297 |
15 | 9c691525 |
hex | 641a31cd |
1679438285 has 32 divisors (see below), whose sum is σ = 2391897600. Its totient is φ = 1107590400.
The previous prime is 1679438261. The next prime is 1679438287. The reversal of 1679438285 is 5828349761.
It is not a de Polignac number, because 1679438285 - 212 = 1679434189 is a prime.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1679438287) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269960 + ... + 276110.
It is an arithmetic number, because the mean of its divisors is an integer number (74746800).
Almost surely, 21679438285 is an apocalyptic number.
It is an amenable number.
1679438285 is a deficient number, since it is larger than the sum of its proper divisors (712459315).
1679438285 is a wasteful number, since it uses less digits than its factorization.
1679438285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6461.
The product of its digits is 2903040, while the sum is 53.
The square root of 1679438285 is about 40980.9502696070. The cubic root of 1679438285 is about 1188.6518841121.
The spelling of 1679438285 in words is "one billion, six hundred seventy-nine million, four hundred thirty-eight thousand, two hundred eighty-five".
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