Base | Representation |
---|---|
bin | 101000100001… |
… | …001000000001 |
3 | 201222121212201 |
4 | 220201020001 |
5 | 10204341231 |
6 | 1015353201 |
7 | 156165205 |
oct | 50411001 |
9 | 21877781 |
10 | 10621441 |
11 | 5aa5056 |
12 | 3682801 |
13 | 227b69c |
14 | 15a6b05 |
15 | dec161 |
hex | a21201 |
10621441 has 2 divisors, whose sum is σ = 10621442. Its totient is φ = 10621440.
The previous prime is 10621439. The next prime is 10621477. The reversal of 10621441 is 14412601.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5313025 + 5308416 = 2305^2 + 2304^2 .
It is a cyclic number.
It is not a de Polignac number, because 10621441 - 21 = 10621439 is a prime.
It is a super-2 number, since 2×106214412 = 225630017832962, which contains 22 as substring.
Together with 10621439, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (10621411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310720 + 5310721.
It is an arithmetic number, because the mean of its divisors is an integer number (5310721).
Almost surely, 210621441 is an apocalyptic number.
10621441 is the 2305-th centered square number.
It is an amenable number.
10621441 is a deficient number, since it is larger than the sum of its proper divisors (1).
10621441 is an equidigital number, since it uses as much as digits as its factorization.
10621441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 10621441 is about 3259.0552311981. The cubic root of 10621441 is about 219.8169344874.
The spelling of 10621441 in words is "ten million, six hundred twenty-one thousand, four hundred forty-one".
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