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52644673 = 379531493
BaseRepresentation
bin1100100011010…
…0101101000001
310200001121220201
43020310231001
5101434112143
65120205201
71206321004
oct310645501
9120047821
1052644673
11277977a4
1215769801
13aba30c3
146dc553b
15494d64d
hex3234b41

52644673 has 8 divisors (see below), whose sum is σ = 54160488. Its totient is φ = 51133824.

The previous prime is 52644661. The next prime is 52644679. The reversal of 52644673 is 37644625.

It can be written as a sum of positive squares in 4 ways, for example, as 26501904 + 26142769 = 5148^2 + 5113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52644673 - 225 = 19090241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52644679) 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 7 ways as a sum of consecutive naturals, for example, 34515 + ... + 36007.

It is an arithmetic number, because the mean of its divisors is an integer number (6770061).

Almost surely, 252644673 is an apocalyptic number.

It is an amenable number.

52644673 is a deficient number, since it is larger than the sum of its proper divisors (1515815).

52644673 is a wasteful number, since it uses less digits than its factorization.

52644673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 120960, while the sum is 37.

The square root of 52644673 is about 7255.6648902771. The cubic root of 52644673 is about 374.7872523624.

The spelling of 52644673 in words is "fifty-two million, six hundred forty-four thousand, six hundred seventy-three".

Divisors: 1 37 953 1493 35261 55241 1422829 52644673