Base | Representation |
---|---|
bin | 110011011101… |
… | …0111110000001 |
3 | 1212202201220121 |
4 | 1212322332001 |
5 | 23401331400 |
6 | 2402140241 |
7 | 445220356 |
oct | 146727601 |
9 | 55681817 |
10 | 26980225 |
11 | 14258708 |
12 | 9051681 |
13 | 578863c |
14 | 382462d |
15 | 257e21a |
hex | 19baf81 |
26980225 has 12 divisors (see below), whose sum is σ = 33765820. Its totient is φ = 21384000.
The previous prime is 26980223. The next prime is 26980243. The reversal of 26980225 is 52208962.
It can be written as a sum of positive squares in 6 ways, for example, as 1669264 + 25310961 = 1292^2 + 5031^2 .
It is not a de Polignac number, because 26980225 - 21 = 26980223 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (26980223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2226 + ... + 7675.
Almost surely, 226980225 is an apocalyptic number.
26980225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
26980225 is a deficient number, since it is larger than the sum of its proper divisors (6785595).
26980225 is a wasteful number, since it uses less digits than its factorization.
26980225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10020 (or 10015 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 26980225 is about 5194.2492239014. The cubic root of 26980225 is about 299.9267413713.
The spelling of 26980225 in words is "twenty-six million, nine hundred eighty thousand, two hundred twenty-five".
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