Base | Representation |
---|---|
bin | 110011011110… |
… | …0010110011010 |
3 | 1212210000200010 |
4 | 1212330112122 |
5 | 23402022012 |
6 | 2402222350 |
7 | 445243020 |
oct | 146742632 |
9 | 55700603 |
10 | 26985882 |
11 | 14261990 |
12 | 90549b6 |
13 | 578b0a1 |
14 | 3826710 |
15 | 2580c3c |
hex | 19bc59a |
26985882 has 32 divisors (see below), whose sum is σ = 67290624. Its totient is φ = 7009200.
The previous prime is 26985853. The next prime is 26985883. The reversal of 26985882 is 28858962.
It is not an unprimeable number, because it can be changed into a prime (26985883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28744 + ... + 29667.
It is an arithmetic number, because the mean of its divisors is an integer number (2102832).
Almost surely, 226985882 is an apocalyptic number.
26985882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
26985882 is an abundant number, since it is smaller than the sum of its proper divisors (40304742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26985882 is a wasteful number, since it uses less digits than its factorization.
26985882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58434.
The product of its digits is 552960, while the sum is 48.
The square root of 26985882 is about 5194.7937398900. The cubic root of 26985882 is about 299.9477019947.
Subtracting 26985882 from its reverse (28858962), we obtain a triangular number (1873080 = T1935).
The spelling of 26985882 in words is "twenty-six million, nine hundred eighty-five thousand, eight hundred eighty-two".
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