Base | Representation |
---|---|
bin | 101000111001… |
… | …101100111101 |
3 | 202011201222011 |
4 | 220321230331 |
5 | 10221101414 |
6 | 1021451221 |
7 | 160064536 |
oct | 50715475 |
9 | 22151864 |
10 | 10722109 |
11 | 6063752 |
12 | 3710b11 |
13 | 22b5458 |
14 | 15d168d |
15 | e1bdc4 |
hex | a39b3d |
10722109 has 2 divisors, whose sum is σ = 10722110. Its totient is φ = 10722108.
The previous prime is 10722073. The next prime is 10722133. The reversal of 10722109 is 90122701.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9765625 + 956484 = 3125^2 + 978^2 .
It is a cyclic number.
It is not a de Polignac number, because 10722109 - 27 = 10721981 is a prime.
It is a super-2 number, since 2×107221092 = 229927242815762, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10722109.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10722139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5361054 + 5361055.
It is an arithmetic number, because the mean of its divisors is an integer number (5361055).
Almost surely, 210722109 is an apocalyptic number.
It is an amenable number.
10722109 is a deficient number, since it is larger than the sum of its proper divisors (1).
10722109 is an equidigital number, since it uses as much as digits as its factorization.
10722109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 10722109 is about 3274.4631621076. The cubic root of 10722109 is about 220.5092130258.
The spelling of 10722109 in words is "ten million, seven hundred twenty-two thousand, one hundred nine".
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