Base | Representation |
---|---|
bin | 101000011101… |
… | …100110000101 |
3 | 201221220001011 |
4 | 220131212011 |
5 | 10203410411 |
6 | 1015202221 |
7 | 156105100 |
oct | 50354605 |
9 | 21856034 |
10 | 10606981 |
11 | 5a95200 |
12 | 3676371 |
13 | 2274c28 |
14 | 15a1737 |
15 | de7c21 |
hex | a1d985 |
10606981 has 18 divisors (see below), whose sum is σ = 13569990. Its totient is φ = 8260560.
The previous prime is 10606969. The next prime is 10606993. The reversal of 10606981 is 18960601.
It is a happy number.
10606981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10606969) and next prime (10606993).
It can be written as a sum of positive squares in only one way, i.e., 10458756 + 148225 = 3234^2 + 385^2 .
It is not a de Polignac number, because 10606981 - 25 = 10606949 is a prime.
It is a super-2 number, since 2×106069812 = 225016091868722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10606081) by changing a digit.
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 17 ways as a sum of consecutive naturals, for example, 5035 + ... + 6823.
Almost surely, 210606981 is an apocalyptic number.
10606981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10606981 is a deficient number, since it is larger than the sum of its proper divisors (2963009).
10606981 is a wasteful number, since it uses less digits than its factorization.
10606981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1825 (or 1807 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 10606981 is about 3256.8360413137. The cubic root of 10606981 is about 219.7171364660.
The spelling of 10606981 in words is "ten million, six hundred six thousand, nine hundred eighty-one".
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