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52684997 = 83634759
BaseRepresentation
bin1100100011111…
…0100011000101
310200010200020012
43020332203011
5101441404442
65121120005
71206546401
oct310764305
9120120205
1052684997
1127815022
1215789005
13abb8571
146dd6101
15495a582
hex323e8c5

52684997 has 4 divisors (see below), whose sum is σ = 53319840. Its totient is φ = 52050156.

The previous prime is 52684991. The next prime is 52684999. The reversal of 52684997 is 79948625.

It is a happy number.

52684997 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-52684997 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 (52684991) 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, 317297 + ... + 317462.

It is an arithmetic number, because the mean of its divisors is an integer number (13329960).

Almost surely, 252684997 is an apocalyptic number.

It is an amenable number.

52684997 is a deficient number, since it is larger than the sum of its proper divisors (634843).

52684997 is an equidigital number, since it uses as much as digits as its factorization.

52684997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634842.

The product of its digits is 1088640, while the sum is 50.

The square root of 52684997 is about 7258.4431526327. The cubic root of 52684997 is about 374.8829193013.

The spelling of 52684997 in words is "fifty-two million, six hundred eighty-four thousand, nine hundred ninety-seven".

Divisors: 1 83 634759 52684997