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5182281 = 321344293
BaseRepresentation
bin10011110001001101001001
3100202021202100
4103301031021
52311313111
6303024013
762022456
oct23611511
910667670
105182281
112a1a585
12189b009
1310c5a50
1498c82d
156c5756
hex4f1349

5182281 has 12 divisors (see below), whose sum is σ = 8061508. Its totient is φ = 3189024.

The previous prime is 5182253. The next prime is 5182313. The reversal of 5182281 is 1822815.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 2509056 = 1635^2 + 1584^2 .

It is not a de Polignac number, because 5182281 - 26 = 5182217 is a prime.

It is a super-2 number, since 2×51822812 = 53712072725922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5182201) 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 11 ways as a sum of consecutive naturals, for example, 22030 + ... + 22263.

Almost surely, 25182281 is an apocalyptic number.

It is an amenable number.

5182281 is a deficient number, since it is larger than the sum of its proper divisors (2879227).

5182281 is a wasteful number, since it uses less digits than its factorization.

5182281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44312 (or 44309 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 5182281 is about 2276.4623871261. The cubic root of 5182281 is about 173.0508164840.

The spelling of 5182281 in words is "five million, one hundred eighty-two thousand, two hundred eighty-one".

Divisors: 1 3 9 13 39 117 44293 132879 398637 575809 1727427 5182281