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26053381 is a prime number
BaseRepresentation
bin110001101100…
…0101100000101
31211000122112001
41203120230011
523132202011
62330225301
7434310244
oct143305405
954018461
1026053381
1113785322
128885231
135522803
14366295b
1524497c1
hex18d8b05

26053381 has 2 divisors, whose sum is σ = 26053382. Its totient is φ = 26053380.

The previous prime is 26053337. The next prime is 26053387. The reversal of 26053381 is 18335062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 11840481 = 3770^2 + 3441^2 .

It is a cyclic number.

It is not a de Polignac number, because 26053381 - 29 = 26052869 is a prime.

It is a super-2 number, since 2×260533812 = 1357557323062322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26053387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13026690 + 13026691.

It is an arithmetic number, because the mean of its divisors is an integer number (13026691).

Almost surely, 226053381 is an apocalyptic number.

It is an amenable number.

26053381 is a deficient number, since it is larger than the sum of its proper divisors (1).

26053381 is an equidigital number, since it uses as much as digits as its factorization.

26053381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26053381 is about 5104.2512673261. The cubic root of 26053381 is about 296.4522131211.

The spelling of 26053381 in words is "twenty-six million, fifty-three thousand, three hundred eighty-one".