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5261449 = 171731789
BaseRepresentation
bin10100000100100010001001
3100220022100111
4110010202021
52321331244
6304434321
762502334
oct24044211
910808314
105261449
112a74006
1219189a1
131122aab
149ad61b
156dde34
hex504889

5261449 has 8 divisors (see below), whose sum is σ = 5606280. Its totient is φ = 4920576.

The previous prime is 5261429. The next prime is 5261471. The reversal of 5261449 is 9441625.

It can be written as a sum of positive squares in 4 ways, for example, as 3980025 + 1281424 = 1995^2 + 1132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5261449 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5261449.

It is not an unprimeable number, because it can be changed into a prime (5261419) 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 7 ways as a sum of consecutive naturals, for example, 2047 + ... + 3835.

It is an arithmetic number, because the mean of its divisors is an integer number (700785).

Almost surely, 25261449 is an apocalyptic number.

It is an amenable number.

5261449 is a deficient number, since it is larger than the sum of its proper divisors (344831).

5261449 is a wasteful number, since it uses less digits than its factorization.

5261449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979.

The product of its digits is 8640, while the sum is 31.

The square root of 5261449 is about 2293.7848634953. The cubic root of 5261449 is about 173.9275802912.

The spelling of 5261449 in words is "five million, two hundred sixty-one thousand, four hundred forty-nine".

Divisors: 1 17 173 1789 2941 30413 309497 5261449