Base | Representation |
---|---|
bin | 101000001010… |
… | …010101111001 |
3 | 201210212212102 |
4 | 220022111321 |
5 | 10143344441 |
6 | 1013353145 |
7 | 155326142 |
oct | 50122571 |
9 | 21725772 |
10 | 10528121 |
11 | 5a40a2a |
12 | 36387b5 |
13 | 2248076 |
14 | 1580ac9 |
15 | dce69b |
hex | a0a579 |
10528121 has 2 divisors, whose sum is σ = 10528122. Its totient is φ = 10528120.
The previous prime is 10528099. The next prime is 10528123. The reversal of 10528121 is 12182501.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8202496 + 2325625 = 2864^2 + 1525^2 .
It is an emirp because it is prime and its reverse (12182501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10528121 - 26 = 10528057 is a prime.
It is a super-2 number, since 2×105281212 = 221682663581282, which contains 22 as substring.
Together with 10528123, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 10528093 and 10528102.
It is not a weakly prime, because it can be changed into another prime (10528123) 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 as a sum of consecutive naturals, namely, 5264060 + 5264061.
It is an arithmetic number, because the mean of its divisors is an integer number (5264061).
Almost surely, 210528121 is an apocalyptic number.
It is an amenable number.
10528121 is a deficient number, since it is larger than the sum of its proper divisors (1).
10528121 is an equidigital number, since it uses as much as digits as its factorization.
10528121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 160, while the sum is 20.
The square root of 10528121 is about 3244.7066123149. The cubic root of 10528121 is about 219.1712691778.
The spelling of 10528121 in words is "ten million, five hundred twenty-eight thousand, one hundred twenty-one".
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