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26488453 = 191138683
BaseRepresentation
bin110010100001…
…0111010000101
31211211202022211
41211002322011
523240112303
62343423421
7441101545
oct145027205
954752284
1026488453
1113a52192
128a54b71
135645854
143737325
1524d366d
hex1942e85

26488453 has 4 divisors (see below), whose sum is σ = 26627328. Its totient is φ = 26349580.

The previous prime is 26488409. The next prime is 26488471. The reversal of 26488453 is 35488462.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26488453 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26488493) 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 in 3 ways as a sum of consecutive naturals, for example, 69151 + ... + 69532.

It is an arithmetic number, because the mean of its divisors is an integer number (6656832).

Almost surely, 226488453 is an apocalyptic number.

It is an amenable number.

26488453 is a deficient number, since it is larger than the sum of its proper divisors (138875).

26488453 is a wasteful number, since it uses less digits than its factorization.

26488453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138874.

The product of its digits is 184320, while the sum is 40.

The square root of 26488453 is about 5146.6934045074. The cubic root of 26488453 is about 298.0932886616.

Subtracting 26488453 from its reverse (35488462), we obtain a palindrome (9000009).

The spelling of 26488453 in words is "twenty-six million, four hundred eighty-eight thousand, four hundred fifty-three".

Divisors: 1 191 138683 26488453