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53359281 = 3226322543
BaseRepresentation
bin1100101110001…
…1001010110001
310201101221011200
43023203022301
5102124444111
65143401413
71215355263
oct313431261
9121357150
1053359281
1128135688
1215a53269
13b093451
14712db33
154a40256
hex32e32b1

53359281 has 12 divisors (see below), whose sum is σ = 77371008. Its totient is φ = 35436024.

The previous prime is 53359279. The next prime is 53359283. The reversal of 53359281 is 18295335.

53359281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53359279) and next prime (53359283).

It is not a de Polignac number, because 53359281 - 21 = 53359279 is a prime.

It is a super-2 number, since 2×533592812 = 5694425737673922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53359283) 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 11 ways as a sum of consecutive naturals, for example, 8905 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (6447584).

Almost surely, 253359281 is an apocalyptic number.

It is an amenable number.

53359281 is a deficient number, since it is larger than the sum of its proper divisors (24011727).

53359281 is a wasteful number, since it uses less digits than its factorization.

53359281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812 (or 22809 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 53359281 is about 7304.7437326713. The cubic root of 53359281 is about 376.4754458784.

The spelling of 53359281 in words is "fifty-three million, three hundred fifty-nine thousand, two hundred eighty-one".

Divisors: 1 3 9 263 789 2367 22543 67629 202887 5928809 17786427 53359281