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52668523 = 70017523
BaseRepresentation
bin1100100011101…
…0100001101011
310200002211122001
43020322201223
5101440343043
65120511431
71206450355
oct310724153
9120084561
1052668523
1127803706
121577b577
13abb0c0b
146dd00d5
15495574d
hex323a86b

52668523 has 4 divisors (see below), whose sum is σ = 52683048. Its totient is φ = 52654000.

The previous prime is 52668487. The next prime is 52668547. The reversal of 52668523 is 32586625.

It is a happy number.

52668523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52668523 - 213 = 52660331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52668223) 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, 3240 + ... + 10762.

It is an arithmetic number, because the mean of its divisors is an integer number (13170762).

Almost surely, 252668523 is an apocalyptic number.

52668523 is a deficient number, since it is larger than the sum of its proper divisors (14525).

52668523 is an equidigital number, since it uses as much as digits as its factorization.

52668523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14524.

The product of its digits is 86400, while the sum is 37.

The square root of 52668523 is about 7257.3082475529. The cubic root of 52668523 is about 374.8438413513.

The spelling of 52668523 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred twenty-three".

Divisors: 1 7001 7523 52668523