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5272281 = 327531579
BaseRepresentation
bin10100000111001011011001
3100220212012200
4110013023121
52322203111
6305000413
762546040
oct24071331
910825180
105272281
112a81163
121923109
1311279c1
149b3557
156e2256
hex5072d9

5272281 has 24 divisors (see below), whose sum is σ = 8873280. Its totient is φ = 2954016.

The previous prime is 5272259. The next prime is 5272283. The reversal of 5272281 is 1822725.

It is not a de Polignac number, because 5272281 - 25 = 5272249 is a prime.

It is a super-2 number, since 2×52722812 = 55593893885922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272283) 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 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (369720).

Almost surely, 25272281 is an apocalyptic number.

It is an amenable number.

5272281 is a deficient number, since it is larger than the sum of its proper divisors (3600999).

5272281 is a wasteful number, since it uses less digits than its factorization.

5272281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

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

The square root of 5272281 is about 2296.1448125064. The cubic root of 5272281 is about 174.0468561880.

The spelling of 5272281 in words is "five million, two hundred seventy-two thousand, two hundred eighty-one".

Divisors: 1 3 7 9 21 53 63 159 371 477 1113 1579 3339 4737 11053 14211 33159 83687 99477 251061 585809 753183 1757427 5272281