Base | Representation |
---|---|
bin | 110010001010… |
… | …0011001101001 |
3 | 1211111002000120 |
4 | 1210110121221 |
5 | 23213013321 |
6 | 2335353453 |
7 | 436346304 |
oct | 144243151 |
9 | 54432016 |
10 | 26297961 |
11 | 13932058 |
12 | 8982889 |
13 | 55a9c31 |
14 | 36c7b3b |
15 | 2496ec6 |
hex | 1914669 |
26297961 has 8 divisors (see below), whose sum is σ = 35425824. Its totient is φ = 17351040.
The previous prime is 26297959. The next prime is 26297977. The reversal of 26297961 is 16979262.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26297961 - 21 = 26297959 is a prime.
It is not an unprimeable number, because it can be changed into a prime (26295961) 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, 44895 + ... + 45476.
It is an arithmetic number, because the mean of its divisors is an integer number (4428228).
Almost surely, 226297961 is an apocalyptic number.
It is an amenable number.
26297961 is a deficient number, since it is larger than the sum of its proper divisors (9127863).
26297961 is an equidigital number, since it uses as much as digits as its factorization.
26297961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90471.
The product of its digits is 81648, while the sum is 42.
The square root of 26297961 is about 5128.1537613453. The cubic root of 26297961 is about 297.3769884300.
The spelling of 26297961 in words is "twenty-six million, two hundred ninety-seven thousand, nine hundred sixty-one".
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