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5255361 = 31089
BaseRepresentation
bin10100000011000011000001
3100220000000000
4110003003001
52321132421
6304350213
762445516
oct24030301
910800000
105255361
112a6a481
121915369
1311200a7
149ab30d
156dc226
hex5030c1

5255361 has 22 divisors (see below), whose sum is σ = 7971570. Its totient is φ = 3464208.

The previous prime is 5255359. The next prime is 5255407. The reversal of 5255361 is 1635525.

5255361 is a `hidden beast` number, since 52 + 553 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 1476225 = 1944^2 + 1215^2 .

It is not a de Polignac number, because 5255361 - 21 = 5255359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5255161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 59005 + ... + 59093.

Almost surely, 25255361 is an apocalyptic number.

It is an amenable number.

5255361 is a deficient number, since it is larger than the sum of its proper divisors (2716209).

5255361 is an frugal number, since it uses more digits than its factorization.

5255361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 92 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5255361 is about 2292.4574150898. The cubic root of 5255361 is about 173.8604707823.

It can be divided in two parts, 525 and 5361, that added together give a triangular number (5886 = T108).

The spelling of 5255361 in words is "five million, two hundred fifty-five thousand, three hundred sixty-one".

Divisors: 1 3 9 27 81 89 243 267 729 801 2187 2403 6561 7209 19683 21627 59049 64881 194643 583929 1751787 5255361