Base | Representation |
---|---|
bin | 101000111010… |
… | …011001110101 |
3 | 202011212220112 |
4 | 220322121311 |
5 | 10221144411 |
6 | 1021512405 |
7 | 160106111 |
oct | 50723165 |
9 | 22155815 |
10 | 10724981 |
11 | 6065923 |
12 | 3712705 |
13 | 22b6857 |
14 | 15d2741 |
15 | e1cb8b |
hex | a3a675 |
10724981 has 2 divisors, whose sum is σ = 10724982. Its totient is φ = 10724980.
The previous prime is 10724971. The next prime is 10725019. The reversal of 10724981 is 18942701.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10504081 + 220900 = 3241^2 + 470^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10724981 is a prime.
It is a super-2 number, since 2×107249812 = 230050434900722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10724971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5362490 + 5362491.
It is an arithmetic number, because the mean of its divisors is an integer number (5362491).
Almost surely, 210724981 is an apocalyptic number.
It is an amenable number.
10724981 is a deficient number, since it is larger than the sum of its proper divisors (1).
10724981 is an equidigital number, since it uses as much as digits as its factorization.
10724981 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 10724981 is about 3274.9016779134. The cubic root of 10724981 is about 220.5288996354.
The spelling of 10724981 in words is "ten million, seven hundred twenty-four thousand, nine hundred eighty-one".
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