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53268281 = 1113733527
BaseRepresentation
bin1100101100110…
…0111100111001
310201020022100022
43023030330321
5102114041111
65141420225
71214526053
oct313147471
9121208308
1053268281
1128083280
1215a0a675
13b060bc1
1471088d3
154a232db
hex32ccf39

53268281 has 8 divisors (see below), whose sum is σ = 58169664. Its totient is φ = 48376720.

The previous prime is 53268277. The next prime is 53268287. The reversal of 53268281 is 18286235.

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 53268281 - 22 = 53268277 is a prime.

It is a super-2 number, since 2×532682812 = 5675019521389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53268287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13340 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (7271208).

Almost surely, 253268281 is an apocalyptic number.

It is an amenable number.

53268281 is a deficient number, since it is larger than the sum of its proper divisors (4901383).

53268281 is a wasteful number, since it uses less digits than its factorization.

53268281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911.

The product of its digits is 23040, while the sum is 35.

The square root of 53268281 is about 7298.5122456566. The cubic root of 53268281 is about 376.2613078135.

The spelling of 53268281 in words is "fifty-three million, two hundred sixty-eight thousand, two hundred eighty-one".

Divisors: 1 11 1373 3527 15103 38797 4842571 53268281