Base | Representation |
---|---|
bin | 101000010100… |
… | …101101111101 |
3 | 201220001011111 |
4 | 220110231331 |
5 | 10201224441 |
6 | 1014322021 |
7 | 155564065 |
oct | 50245575 |
9 | 21801144 |
10 | 10570621 |
11 | 5a6a956 |
12 | 3659311 |
13 | 2261509 |
14 | 15923a5 |
15 | ddc081 |
hex | a14b7d |
10570621 has 2 divisors, whose sum is σ = 10570622. Its totient is φ = 10570620.
The previous prime is 10570607. The next prime is 10570627. The reversal of 10570621 is 12607501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10310521 + 260100 = 3211^2 + 510^2 .
It is an emirp because it is prime and its reverse (12607501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10570621 - 25 = 10570589 is a prime.
It is a super-2 number, since 2×105706212 = 223476056651282, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10570592 and 10570601.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10570627) 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, 5285310 + 5285311.
It is an arithmetic number, because the mean of its divisors is an integer number (5285311).
Almost surely, 210570621 is an apocalyptic number.
It is an amenable number.
10570621 is a deficient number, since it is larger than the sum of its proper divisors (1).
10570621 is an equidigital number, since it uses as much as digits as its factorization.
10570621 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 10570621 is about 3251.2491445597. The cubic root of 10570621 is about 219.4657906467.
The spelling of 10570621 in words is "ten million, five hundred seventy thousand, six hundred twenty-one".
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