| Base | Representation |
|---|---|
| bin | 110010000011… |
| … | …0110010101100 |
| 3 | 1211101020120002 |
| 4 | 1210012302230 |
| 5 | 23204222340 |
| 6 | 2334243432 |
| 7 | 436024634 |
| oct | 144066254 |
| 9 | 54336502 |
| 10 | 26242220 |
| 11 | 138a4194 |
| 12 | 8956578 |
| 13 | 558a754 |
| 14 | 36b16c4 |
| 15 | 2485715 |
| hex | 1906cac |
26242220 has 48 divisors (see below), whose sum is σ = 59149440. Its totient is φ = 9744384.
The previous prime is 26242219. The next prime is 26242243. The reversal of 26242220 is 2224262.
It is a super-2 number, since 2×262422202 = 1377308221056800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 26242192 and 26242201.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 26372 + ... + 27348.
It is an arithmetic number, because the mean of its divisors is an integer number (1232280).
Almost surely, 226242220 is an apocalyptic number.
26242220 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 26242220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29574720).
26242220 is an abundant number, since it is smaller than the sum of its proper divisors (32907220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26242220 is a wasteful number, since it uses less digits than its factorization.
26242220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 26242220 is about 5122.7160764579. The cubic root of 26242220 is about 297.1667336495.
Adding to 26242220 its reverse (2224262), we get a palindrome (28466482).
It can be divided in two parts, 26242 and 220, that added together give a palindrome (26462).
The spelling of 26242220 in words is "twenty-six million, two hundred forty-two thousand, two hundred twenty".
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