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26028469 is a prime number
BaseRepresentation
bin110001101001…
…0100110110101
31210222101100101
41203102212311
523130402334
62325514101
7434144515
oct143224665
953871311
1026028469
1113768635
128872931
13551437c
143657845
152442214
hex18d29b5

26028469 has 2 divisors, whose sum is σ = 26028470. Its totient is φ = 26028468.

The previous prime is 26028467. The next prime is 26028473. The reversal of 26028469 is 96482062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21743569 + 4284900 = 4663^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 26028469 - 21 = 26028467 is a prime.

It is a super-2 number, since 2×260284692 = 1354962396967922, which contains 22 as substring.

Together with 26028467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26028463) 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, 13014234 + 13014235.

It is an arithmetic number, because the mean of its divisors is an integer number (13014235).

Almost surely, 226028469 is an apocalyptic number.

It is an amenable number.

26028469 is a deficient number, since it is larger than the sum of its proper divisors (1).

26028469 is an equidigital number, since it uses as much as digits as its factorization.

26028469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 26028469 is about 5101.8103649587. The cubic root of 26028469 is about 296.3576947081.

The spelling of 26028469 in words is "twenty-six million, twenty-eight thousand, four hundred sixty-nine".