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52725573 = 34650933
BaseRepresentation
bin1100100100100…
…0011101000101
310200012201220000
43021020131011
5101444204243
65122031513
71210105605
oct311103505
9120181800
1052725573
112784255a
12157a8599
13ac00b84
147006c05
1549675d3
hex3248745

52725573 has 10 divisors (see below), whose sum is σ = 78763014. Its totient is φ = 35150328.

The previous prime is 52725571. The next prime is 52725577. The reversal of 52725573 is 37552725.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 18818244 = 5823^2 + 4338^2 .

It is not a de Polignac number, because 52725573 - 21 = 52725571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52725571) 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 9 ways as a sum of consecutive naturals, for example, 325386 + ... + 325547.

Almost surely, 252725573 is an apocalyptic number.

It is an amenable number.

52725573 is a deficient number, since it is larger than the sum of its proper divisors (26037441).

52725573 is an equidigital number, since it uses as much as digits as its factorization.

52725573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650945 (or 650936 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 52725573 is about 7261.2377044138. The cubic root of 52725573 is about 374.9791348391.

The spelling of 52725573 in words is "fifty-two million, seven hundred twenty-five thousand, five hundred seventy-three".

Divisors: 1 3 9 27 81 650933 1952799 5858397 17575191 52725573