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26158049 is a prime number
BaseRepresentation
bin110001111001…
…0001111100001
31211012222002122
41203302033201
523144024144
62332354025
7435224351
oct143621741
954188078
1026158049
1113846a25
128915915
13555b348
14368cb61
15246a7ee
hex18f23e1

26158049 has 2 divisors, whose sum is σ = 26158050. Its totient is φ = 26158048.

The previous prime is 26158043. The next prime is 26158057. The reversal of 26158049 is 94085162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 351649 = 5080^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 26158049 - 28 = 26157793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26158043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13079024 + 13079025.

It is an arithmetic number, because the mean of its divisors is an integer number (13079025).

Almost surely, 226158049 is an apocalyptic number.

It is an amenable number.

26158049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26158049 is an equidigital number, since it uses as much as digits as its factorization.

26158049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 26158049 is about 5114.4940121189. The cubic root of 26158049 is about 296.8486760630.

The spelling of 26158049 in words is "twenty-six million, one hundred fifty-eight thousand, forty-nine".