Base | Representation |
---|---|
bin | 110001101110… |
… | …0010111011000 |
3 | 1211001102011210 |
4 | 1203130113120 |
5 | 23133142230 |
6 | 2330423120 |
7 | 434402166 |
oct | 143342730 |
9 | 54042153 |
10 | 26068440 |
11 | 13795672 |
12 | 8891aa0 |
13 | 5529618 |
14 | 3668236 |
15 | 244deb0 |
hex | 18dc5d8 |
26068440 has 64 divisors (see below), whose sum is σ = 78962400. Its totient is φ = 6884352.
The previous prime is 26068439. The next prime is 26068457. The reversal of 26068440 is 4486062.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 26068398 and 26068407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12084 + ... + 14076.
Almost surely, 226068440 is an apocalyptic number.
26068440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26068440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39481200).
26068440 is an abundant number, since it is smaller than the sum of its proper divisors (52893960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26068440 is a wasteful number, since it uses less digits than its factorization.
26068440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2116 (or 2112 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 26068440 is about 5105.7261971242. The cubic root of 26068440 is about 296.5093191326.
The spelling of 26068440 in words is "twenty-six million, sixty-eight thousand, four hundred forty".
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