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26340081 = 341214147
BaseRepresentation
bin110010001111…
…0101011110001
31211120012210120
41210132223301
523220340311
62340320453
7436613145
oct144365361
954505716
1026340081
1113960769
1289a3129
1355c3161
1436d9225
1524a4706
hex191eaf1

26340081 has 8 divisors (see below), whose sum is σ = 35976864. Its totient is φ = 17131680.

The previous prime is 26340043. The next prime is 26340107. The reversal of 26340081 is 18004362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26340081 - 211 = 26338033 is a prime.

It is a super-2 number, since 2×263400812 = 1387599734173122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26340011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106951 + ... + 107196.

It is an arithmetic number, because the mean of its divisors is an integer number (4497108).

Almost surely, 226340081 is an apocalyptic number.

It is an amenable number.

26340081 is a deficient number, since it is larger than the sum of its proper divisors (9636783).

26340081 is a wasteful number, since it uses less digits than its factorization.

26340081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214191.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 26340081 is about 5132.2588594107. The cubic root of 26340081 is about 297.5356678747.

The spelling of 26340081 in words is "twenty-six million, three hundred forty thousand, eighty-one".

Divisors: 1 3 41 123 214147 642441 8780027 26340081