Base | Representation |
---|---|
bin | 101001100000… |
… | …100111001001 |
3 | 202110211120211 |
4 | 221200213021 |
5 | 10241201411 |
6 | 1025121121 |
7 | 161330302 |
oct | 51404711 |
9 | 22424524 |
10 | 10881481 |
11 | 6162466 |
12 | 37891a1 |
13 | 233cb60 |
14 | 16337a9 |
15 | e4e221 |
hex | a609c9 |
10881481 has 8 divisors (see below), whose sum is σ = 11777024. Its totient is φ = 9994320.
The previous prime is 10881473. The next prime is 10881491. The reversal of 10881481 is 18418801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10881481 - 23 = 10881473 is a prime.
It is a super-2 number, since 2×108814812 = 236813257506722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10881491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760 + ... + 4726.
It is an arithmetic number, because the mean of its divisors is an integer number (1472128).
Almost surely, 210881481 is an apocalyptic number.
It is an amenable number.
10881481 is a deficient number, since it is larger than the sum of its proper divisors (895543).
10881481 is a wasteful number, since it uses less digits than its factorization.
10881481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4191.
The product of its (nonzero) digits is 2048, while the sum is 31.
The square root of 10881481 is about 3298.7089898929. The cubic root of 10881481 is about 221.5963840222.
The spelling of 10881481 in words is "ten million, eight hundred eighty-one thousand, four hundred eighty-one".
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