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26363641 = 57146171
BaseRepresentation
bin110010010010…
…0011011111001
31211121102010011
41210210123321
523222114031
62341021521
7440041633
oct144443371
954542104
1026363641
1113977437
1289b48a1
135600ab5
143703a53
1524ab6b1
hex19246f9

26363641 has 4 divisors (see below), whose sum is σ = 26410384. Its totient is φ = 26316900.

The previous prime is 26363593. The next prime is 26363653. The reversal of 26363641 is 14636362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a 6-Lehmer number, since φ(26363641) divides (26363641-1)6.

It is a cyclic number.

It is not a de Polignac number, because 26363641 - 223 = 17975033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26363341) 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 3 ways as a sum of consecutive naturals, for example, 22515 + ... + 23656.

It is an arithmetic number, because the mean of its divisors is an integer number (6602596).

Almost surely, 226363641 is an apocalyptic number.

It is an amenable number.

26363641 is a deficient number, since it is larger than the sum of its proper divisors (46743).

26363641 is an equidigital number, since it uses as much as digits as its factorization.

26363641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46742.

The product of its digits is 15552, while the sum is 31.

The square root of 26363641 is about 5134.5536320113. The cubic root of 26363641 is about 297.6243521294.

The spelling of 26363641 in words is "twenty-six million, three hundred sixty-three thousand, six hundred forty-one".

Divisors: 1 571 46171 26363641