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52664773 = 77523539
BaseRepresentation
bin1100100011100…
…1100111000101
310200002122111011
43020321213011
5101440233043
65120442221
71206433420
oct310714705
9120078434
1052664773
1127800907
1215779371
13abac2b5
146dcc9b7
15495459d
hex32399c5

52664773 has 4 divisors (see below), whose sum is σ = 60188320. Its totient is φ = 45141228.

The previous prime is 52664761. The next prime is 52664791. The reversal of 52664773 is 37746625.

52664773 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 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-52664773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52664743) 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, 3761763 + ... + 3761776.

It is an arithmetic number, because the mean of its divisors is an integer number (15047080).

Almost surely, 252664773 is an apocalyptic number.

It is an amenable number.

52664773 is a deficient number, since it is larger than the sum of its proper divisors (7523547).

52664773 is an equidigital number, since it uses as much as digits as its factorization.

52664773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523546.

The product of its digits is 211680, while the sum is 40.

The square root of 52664773 is about 7257.0498827003. The cubic root of 52664773 is about 374.8349448436.

The spelling of 52664773 in words is "fifty-two million, six hundred sixty-four thousand, seven hundred seventy-three".

Divisors: 1 7 7523539 52664773