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10828621 is a prime number
BaseRepresentation
bin101001010011…
…101101001101
3202101011002001
4221103231031
510233003441
61024032301
7161020216
oct51235515
922334061
1010828621
116126781
123762691
132321a8b
14161c40d
15e3d731
hexa53b4d

10828621 has 2 divisors, whose sum is σ = 10828622. Its totient is φ = 10828620.

The previous prime is 10828619. The next prime is 10828627. The reversal of 10828621 is 12682801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6687396 + 4141225 = 2586^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10828621 - 21 = 10828619 is a prime.

Together with 10828619, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10828621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10828627) 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, 5414310 + 5414311.

It is an arithmetic number, because the mean of its divisors is an integer number (5414311).

Almost surely, 210828621 is an apocalyptic number.

It is an amenable number.

10828621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10828621 is an equidigital number, since it uses as much as digits as its factorization.

10828621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 10828621 is about 3290.6870103369. The cubic root of 10828621 is about 221.2369781775.

It can be divided in two parts, 10828 and 621, that added together give a square (11449 = 1072).

The spelling of 10828621 in words is "ten million, eight hundred twenty-eight thousand, six hundred twenty-one".