Base | Representation |
---|---|
bin | 101001001110… |
… | …101111011001 |
3 | 202100010011201 |
4 | 221032233121 |
5 | 10231331111 |
6 | 1023354201 |
7 | 160604011 |
oct | 51165731 |
9 | 22303151 |
10 | 10808281 |
11 | 6112470 |
12 | 3752961 |
13 | 2315743 |
14 | 1614c41 |
15 | e376c1 |
hex | a4ebd9 |
10808281 has 4 divisors (see below), whose sum is σ = 11790864. Its totient is φ = 9825700.
The previous prime is 10808267. The next prime is 10808299. The reversal of 10808281 is 18280801.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10808281 - 211 = 10806233 is a prime.
It is a super-2 number, since 2×108082812 = 233637876349922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10808221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491275 + ... + 491296.
It is an arithmetic number, because the mean of its divisors is an integer number (2947716).
Almost surely, 210808281 is an apocalyptic number.
10808281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10808281 is a deficient number, since it is larger than the sum of its proper divisors (982583).
10808281 is an equidigital number, since it uses as much as digits as its factorization.
10808281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 982582.
The product of its (nonzero) digits is 1024, while the sum is 28.
The square root of 10808281 is about 3287.5950176383. The cubic root of 10808281 is about 221.0983707904.
The spelling of 10808281 in words is "ten million, eight hundred eight thousand, two hundred eighty-one".
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