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26260769 is a prime number
BaseRepresentation
bin110010000101…
…1010100100001
31211102012000002
41210023110201
523210321034
62334505345
7436133003
oct144132441
954365002
1026260769
1113907117
128965255
135596022
1436b8373
15248ae7e
hex190b521

26260769 has 2 divisors, whose sum is σ = 26260770. Its totient is φ = 26260768.

The previous prime is 26260757. The next prime is 26260771. The reversal of 26260769 is 96706262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 1380625 = 4988^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 26260769 - 24 = 26260753 is a prime.

It is a super-2 number, since 2×262607692 = 1379255976942722, which contains 22 as substring.

Together with 26260771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26260709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130384 + 13130385.

It is an arithmetic number, because the mean of its divisors is an integer number (13130385).

Almost surely, 226260769 is an apocalyptic number.

It is an amenable number.

26260769 is a deficient number, since it is larger than the sum of its proper divisors (1).

26260769 is an equidigital number, since it uses as much as digits as its factorization.

26260769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 26260769 is about 5124.5262220034. The cubic root of 26260769 is about 297.2367334122.

The spelling of 26260769 in words is "twenty-six million, two hundred sixty thousand, seven hundred sixty-nine".