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53326081 = 101527981
BaseRepresentation
bin1100101101101…
…1000100000001
310201100020122001
43023123010001
5102122413311
65142544001
71215156424
oct313330401
9121306561
1053326081
1128112746
1215a38001
13b0812c3
1471219bb
154a354c1
hex32db101

53326081 has 4 divisors (see below), whose sum is σ = 53854164. Its totient is φ = 52798000.

The previous prime is 53326079. The next prime is 53326193. The reversal of 53326081 is 18062335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 17505856 = 5985^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 53326081 - 21 = 53326079 is a prime.

It is a super-2 number, since 2×533260812 = 5687341829637122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53326051) 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 3 ways as a sum of consecutive naturals, for example, 263890 + ... + 264091.

It is an arithmetic number, because the mean of its divisors is an integer number (13463541).

Almost surely, 253326081 is an apocalyptic number.

It is an amenable number.

53326081 is a deficient number, since it is larger than the sum of its proper divisors (528083).

53326081 is a wasteful number, since it uses less digits than its factorization.

53326081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528082.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 53326081 is about 7302.4708832011. The cubic root of 53326081 is about 376.3973490116.

The spelling of 53326081 in words is "fifty-three million, three hundred twenty-six thousand, eighty-one".

Divisors: 1 101 527981 53326081