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5227281 = 33193603
BaseRepresentation
bin10011111100001100010001
3100211120111000
4103330030101
52314233111
6304012213
762300613
oct23741421
910746430
105227281
112a50374
121901069
131110387
149a0db3
156d3c56
hex4fc311

5227281 has 8 divisors (see below), whose sum is σ = 7744160. Its totient is φ = 3484836.

The previous prime is 5227253. The next prime is 5227283. The reversal of 5227281 is 1827225.

5227281 = T318 + T319 + ... + T398.

It is not a de Polignac number, because 5227281 - 27 = 5227153 is a prime.

It is a super-2 number, since 2×52272812 = 54648933305922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 193603 = 5227281 / (5 + 2 + 2 + 7 + 2 + 8 + 1).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5227283) 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, 96775 + ... + 96828.

It is an arithmetic number, because the mean of its divisors is an integer number (968020).

Almost surely, 25227281 is an apocalyptic number.

It is an amenable number.

5227281 is a deficient number, since it is larger than the sum of its proper divisors (2516879).

5227281 is a wasteful number, since it uses less digits than its factorization.

5227281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193612 (or 193606 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5227281 is about 2286.3247800783. The cubic root of 5227281 is about 173.5502654538.

It can be divided in two parts, 522728 and 1, that added together give a square (522729 = 7232).

The spelling of 5227281 in words is "five million, two hundred twenty-seven thousand, two hundred eighty-one".

Divisors: 1 3 9 27 193603 580809 1742427 5227281