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5487449 = 11498859
BaseRepresentation
bin10100111011101101011001
3101022210100212
4110323231121
52401044244
6313340505
764433252
oct24735531
911283325
105487449
113108890
121a07735
1311a1916
14a2bb29
15735d9e
hex53bb59

5487449 has 4 divisors (see below), whose sum is σ = 5986320. Its totient is φ = 4988580.

The previous prime is 5487407. The next prime is 5487451. The reversal of 5487449 is 9447845.

5487449 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5487449 is a prime.

It is a super-2 number, since 2×54874492 = 60224193055202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249419 + ... + 249440.

It is an arithmetic number, because the mean of its divisors is an integer number (1496580).

Almost surely, 25487449 is an apocalyptic number.

It is an amenable number.

5487449 is a deficient number, since it is larger than the sum of its proper divisors (498871).

5487449 is a wasteful number, since it uses less digits than its factorization.

5487449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498870.

The product of its digits is 161280, while the sum is 41.

The square root of 5487449 is about 2342.5304693856. The cubic root of 5487449 is about 176.3830435862.

It can be divided in two parts, 548 and 7449, that added together give a palindrome (7997).

The spelling of 5487449 in words is "five million, four hundred eighty-seven thousand, four hundred forty-nine".

Divisors: 1 11 498859 5487449