Base | Representation |
---|---|
bin | 110011001000… |
… | …1001001000001 |
3 | 1212110000220010 |
4 | 1212101021001 |
5 | 23330341042 |
6 | 2354335133 |
7 | 443605023 |
oct | 146211101 |
9 | 55400803 |
10 | 26808897 |
11 | 14150a15 |
12 | 8b8a4a9 |
13 | 572866b |
14 | 37bc013 |
15 | 254859c |
hex | 1991241 |
26808897 has 8 divisors (see below), whose sum is σ = 35769760. Its totient is φ = 17860320.
The previous prime is 26808883. The next prime is 26808913. The reversal of 26808897 is 79880862.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26808897 - 210 = 26807873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (26808857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5229 + ... + 8997.
It is an arithmetic number, because the mean of its divisors is an integer number (4471220).
Almost surely, 226808897 is an apocalyptic number.
It is an amenable number.
26808897 is a deficient number, since it is larger than the sum of its proper divisors (8960863).
26808897 is a wasteful number, since it uses less digits than its factorization.
26808897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6143.
The product of its (nonzero) digits is 387072, while the sum is 48.
The square root of 26808897 is about 5177.7308736550. The cubic root of 26808897 is about 299.2905346300.
The spelling of 26808897 in words is "twenty-six million, eight hundred eight thousand, eight hundred ninety-seven".
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