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26774081 is a prime number
BaseRepresentation
bin110011000100…
…0101001000001
31212101021010122
41212020221001
523323232311
62353510025
7443401355
oct146105101
955337118
1026774081
1114127844
128b72315
135715869
1437ad465
15253d0db
hex1988a41

26774081 has 2 divisors, whose sum is σ = 26774082. Its totient is φ = 26774080.

The previous prime is 26774053. The next prime is 26774089. The reversal of 26774081 is 18047762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 600625 = 5116^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 26774081 - 218 = 26511937 is a prime.

It is a super-2 number, since 2×267740812 = 1433702826789122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26774089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13387040 + 13387041.

It is an arithmetic number, because the mean of its divisors is an integer number (13387041).

Almost surely, 226774081 is an apocalyptic number.

It is an amenable number.

26774081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26774081 is an equidigital number, since it uses as much as digits as its factorization.

26774081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 26774081 is about 5174.3676908391. The cubic root of 26774081 is about 299.1609182906.

The spelling of 26774081 in words is "twenty-six million, seven hundred seventy-four thousand, eighty-one".