Base | Representation |
---|---|
bin | 110011001110… |
… | …0001001010001 |
3 | 1212112022201110 |
4 | 1212130021101 |
5 | 23333311334 |
6 | 2355323533 |
7 | 444153312 |
oct | 146341121 |
9 | 55468643 |
10 | 26853969 |
11 | 1418186a |
12 | 8bb05a9 |
13 | 574302c |
14 | 37d0609 |
15 | 2556ae9 |
hex | 199c251 |
26853969 has 8 divisors (see below), whose sum is σ = 36392512. Its totient is φ = 17609040.
The previous prime is 26853961. The next prime is 26853977. The reversal of 26853969 is 96935862.
It is an interprime number because it is at equal distance from previous prime (26853961) and next prime (26853977).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26853969 - 23 = 26853961 is a prime.
It is a super-2 number, since 2×268539692 = 1442271302105922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (26853961) 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, 73189 + ... + 73554.
It is an arithmetic number, because the mean of its divisors is an integer number (4549064).
Almost surely, 226853969 is an apocalyptic number.
It is an amenable number.
26853969 is a deficient number, since it is larger than the sum of its proper divisors (9538543).
26853969 is a wasteful number, since it uses less digits than its factorization.
26853969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146807.
The product of its digits is 699840, while the sum is 48.
The square root of 26853969 is about 5182.0815315855. The cubic root of 26853969 is about 299.4581664215.
The spelling of 26853969 in words is "twenty-six million, eight hundred fifty-three thousand, nine hundred sixty-nine".
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