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26884261 is a prime number
BaseRepresentation
bin110011010001…
…1100010100101
31212120212021101
41212203202211
523340244021
62400120101
7444340525
oct146434245
955525241
1026884261
11141a25a8
129006031
135753a61
1437db685
152560a91
hex19a38a5

26884261 has 2 divisors, whose sum is σ = 26884262. Its totient is φ = 26884260.

The previous prime is 26884199. The next prime is 26884267. The reversal of 26884261 is 16248862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 36 = 5185^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 26884261 - 211 = 26882213 is a prime.

It is a super-2 number, since 2×268842612 = 1445526979032242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26884261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26884267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13442130 + 13442131.

It is an arithmetic number, because the mean of its divisors is an integer number (13442131).

Almost surely, 226884261 is an apocalyptic number.

It is an amenable number.

26884261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26884261 is an equidigital number, since it uses as much as digits as its factorization.

26884261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 26884261 is about 5185.0034715514. The cubic root of 26884261 is about 299.5707230677.

The spelling of 26884261 in words is "twenty-six million, eight hundred eighty-four thousand, two hundred sixty-one".