Base | Representation |
---|---|
bin | 110010001000… |
… | …1101010110000 |
3 | 1211110111200000 |
4 | 1210101222300 |
5 | 23212134033 |
6 | 2335230000 |
7 | 436301544 |
oct | 144215260 |
9 | 54414600 |
10 | 26286768 |
11 | 13924702 |
12 | 8978300 |
13 | 55a4b01 |
14 | 36c3a24 |
15 | 2493a13 |
hex | 1911ab0 |
26286768 has 60 divisors (see below), whose sum is σ = 76302408. Its totient is φ = 8760960.
The previous prime is 26286749. The next prime is 26286779. The reversal of 26286768 is 86768262.
It is a happy number.
It is a super-3 number, since 3×262867683 (a number of 23 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508 + ... + 7268.
Almost surely, 226286768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26286768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38151204).
26286768 is an abundant number, since it is smaller than the sum of its proper divisors (50015640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26286768 is an equidigital number, since it uses as much as digits as its factorization.
26286768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6784 (or 6766 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 26286768 is about 5127.0623167658. The cubic root of 26286768 is about 297.3347923452.
The spelling of 26286768 in words is "twenty-six million, two hundred eighty-six thousand, seven hundred sixty-eight".
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