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5490385 = 51098077
BaseRepresentation
bin10100111100011011010001
3101022221101121
4110330123101
52401143020
6313402241
764444645
oct24743321
911287347
105490385
11311000a
121a09381
1311a3064
14a2cc25
15736baa
hex53c6d1

5490385 has 4 divisors (see below), whose sum is σ = 6588468. Its totient is φ = 4392304.

The previous prime is 5490383. The next prime is 5490389. The reversal of 5490385 is 5830945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 3094081 = 1548^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 5490385 - 21 = 5490383 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5490385.

It is not an unprimeable number, because it can be changed into a prime (5490383) 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, 549034 + ... + 549043.

It is an arithmetic number, because the mean of its divisors is an integer number (1647117).

Almost surely, 25490385 is an apocalyptic number.

It is an amenable number.

5490385 is a deficient number, since it is larger than the sum of its proper divisors (1098083).

5490385 is a wasteful number, since it uses less digits than its factorization.

5490385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098082.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5490385 is about 2343.1570583296. The cubic root of 5490385 is about 176.4144952550.

The spelling of 5490385 in words is "five million, four hundred ninety thousand, three hundred eighty-five".

Divisors: 1 5 1098077 5490385