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26212061 is a prime number
BaseRepresentation
bin110001111111…
…1011011011101
31211022201012002
41203333123131
523202241221
62333452045
7435541001
oct143773335
954281162
1026212061
1113883567
128941025
135579ac5
1436a4701
15247b80b
hex18ff6dd

26212061 has 2 divisors, whose sum is σ = 26212062. Its totient is φ = 26212060.

The previous prime is 26212057. The next prime is 26212091. The reversal of 26212061 is 16021262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24304900 + 1907161 = 4930^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 26212061 - 22 = 26212057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26212091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106030 + 13106031.

It is an arithmetic number, because the mean of its divisors is an integer number (13106031).

Almost surely, 226212061 is an apocalyptic number.

It is an amenable number.

26212061 is a deficient number, since it is larger than the sum of its proper divisors (1).

26212061 is an equidigital number, since it uses as much as digits as its factorization.

26212061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 26212061 is about 5119.7715769358. The cubic root of 26212061 is about 297.0528499027.

The spelling of 26212061 in words is "twenty-six million, two hundred twelve thousand, sixty-one".