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5449805 = 51089961
BaseRepresentation
bin10100110010100001001101
3101020212201122
4110302201031
52343343210
6312450325
764215434
oct24624115
911225648
105449805
113092579
1219a99a5
13118a74a
14a1c11b
15729b55
hex53284d

5449805 has 4 divisors (see below), whose sum is σ = 6539772. Its totient is φ = 4359840.

The previous prime is 5449793. The next prime is 5449811. The reversal of 5449805 is 5089445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5089445 = 51017889.

It can be written as a sum of positive squares in 2 ways, for example, as 4338889 + 1110916 = 2083^2 + 1054^2 .

It is not a de Polignac number, because 5449805 - 212 = 5445709 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544976 + ... + 544985.

It is an arithmetic number, because the mean of its divisors is an integer number (1634943).

Almost surely, 25449805 is an apocalyptic number.

It is an amenable number.

5449805 is a deficient number, since it is larger than the sum of its proper divisors (1089967).

5449805 is a wasteful number, since it uses less digits than its factorization.

5449805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089966.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5449805 is about 2334.4817412008. The cubic root of 5449805 is about 175.9787874744.

The spelling of 5449805 in words is "five million, four hundred forty-nine thousand, eight hundred five".

Divisors: 1 5 1089961 5449805