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26388141 = 3133718287
BaseRepresentation
bin110010010101…
…0011010101101
31211122122201120
41210222122231
523223410031
62341331153
7440203233
oct144523255
954578646
1026388141
111399388a
128a06ab9
13560bcb0
14370c953
1524b3a96
hex192a6ad

26388141 has 16 divisors (see below), whose sum is σ = 38916864. Its totient is φ = 15799104.

The previous prime is 26388139. The next prime is 26388143. The reversal of 26388141 is 14188362.

It is an interprime number because it is at equal distance from previous prime (26388139) and next prime (26388143).

It is not a de Polignac number, because 26388141 - 21 = 26388139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26388143) 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 in 15 ways as a sum of consecutive naturals, for example, 7701 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (2432304).

Almost surely, 226388141 is an apocalyptic number.

It is an amenable number.

26388141 is a deficient number, since it is larger than the sum of its proper divisors (12528723).

26388141 is a wasteful number, since it uses less digits than its factorization.

26388141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18340.

The product of its digits is 9216, while the sum is 33.

The square root of 26388141 is about 5136.9388744660. The cubic root of 26388141 is about 297.7165186984.

The spelling of 26388141 in words is "twenty-six million, three hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 3 13 37 39 111 481 1443 18287 54861 237731 676619 713193 2029857 8796047 26388141