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90526 = 245263

90526 has 4 divisors (see below), whose sum is σ = 135792. Its totient is φ = 45262.

The previous prime is 90523. The next prime is 90527. The reversal of 90526 is 62509.

It can be divided in two parts, 90 and 526, that added together give a palindrome (616).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62509 = 173677.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 90526 parts by 425 straight cuts.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 90497 and 90506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22630 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (33948).

290526 is an apocalyptic number.

90526 is a deficient number, since it is larger than the sum of its proper divisors (45266).

90526 is a wasteful number, since it uses less digits than its factorization.

90526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45265.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90526 is about 300.8753894887. The cubic root of 90526 is about 44.9011823373.

The spelling of 90526 in words is "ninety thousand, five hundred twenty-six".

Divisors: 1 2 45263 90526