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5438281 = 23417379
BaseRepresentation
bin10100101111101101001001
3101020021220211
4110233231021
52343011111
6312321121
764140022
oct24575511
911207824
105438281
113084952
1219a31a1
131185424
14a17c49
15726521
hex52fb49

5438281 has 16 divisors (see below), whose sum is σ = 5967360. Its totient is φ = 4942080.

The previous prime is 5438273. The next prime is 5438309. The reversal of 5438281 is 1828345.

5438281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5438281 - 23 = 5438273 is a prime.

It is a super-2 number, since 2×54382812 = 59149800469922, which contains 22 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 (5438231) 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 15 ways as a sum of consecutive naturals, for example, 68800 + ... + 68878.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 25438281 is an apocalyptic number.

It is an amenable number.

5438281 is a deficient number, since it is larger than the sum of its proper divisors (529079).

5438281 is a wasteful number, since it uses less digits than its factorization.

5438281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 7680, while the sum is 31.

The square root of 5438281 is about 2332.0122212373. The cubic root of 5438281 is about 175.8546600568.

The spelling of 5438281 in words is "five million, four hundred thirty-eight thousand, two hundred eighty-one".

Divisors: 1 23 41 73 79 943 1679 1817 2993 3239 5767 68839 74497 132641 236447 5438281