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2408005 = 54011201
BaseRepresentation
bin1001001011111001000101
311112100011101
421023321011
51104024010
6123340101
726316265
oct11137105
94470141
102408005
1113a5196
12981631
13664072
144697a5
1532873a
hex24be45

2408005 has 8 divisors (see below), whose sum is σ = 2899224. Its totient is φ = 1920000.

The previous prime is 2407963. The next prime is 2408009. The reversal of 2408005 is 5008042.

It is a happy number.

2408005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 2208196 = 447^2 + 1486^2 .

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

It is not a de Polignac number, because 2408005 - 27 = 2407877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (362403).

22408005 is an apocalyptic number.

It is an amenable number.

2408005 is a deficient number, since it is larger than the sum of its proper divisors (491219).

2408005 is a wasteful number, since it uses less digits than its factorization.

2408005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2408005 is about 1551.7747903610. The cubic root of 2408005 is about 134.0352806783.

The spelling of 2408005 in words is "two million, four hundred eight thousand, five".

Divisors: 1 5 401 1201 2005 6005 481601 2408005