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5281471 = 13406267
BaseRepresentation
bin10100001001011010111111
3100221022211001
4110021122333
52323001341
6305111131
762614606
oct24113277
910838731
105281471
112a88058
1219284a7
13112bc40
149b6a3d
156e4d31
hex5096bf

5281471 has 4 divisors (see below), whose sum is σ = 5687752. Its totient is φ = 4875192.

The previous prime is 5281459. The next prime is 5281489. The reversal of 5281471 is 1741825.

5281471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5281471 - 211 = 5279423 is a prime.

It is a super-3 number, since 3×52814713 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285471) 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 3 ways as a sum of consecutive naturals, for example, 203121 + ... + 203146.

It is an arithmetic number, because the mean of its divisors is an integer number (1421938).

Almost surely, 25281471 is an apocalyptic number.

5281471 is a deficient number, since it is larger than the sum of its proper divisors (406281).

5281471 is a wasteful number, since it uses less digits than its factorization.

5281471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406280.

The product of its digits is 2240, while the sum is 28.

The square root of 5281471 is about 2298.1451216144. The cubic root of 5281471 is about 174.1479232696.

The spelling of 5281471 in words is "five million, two hundred eighty-one thousand, four hundred seventy-one".

Divisors: 1 13 406267 5281471