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3455005 = 5691001
BaseRepresentation
bin1101001011100000011101
320111112101011
431023200131
51341030010
6202015221
741236621
oct15134035
96445334
103455005
111a4a884
1211a7511
1393c7a8
1465d181
15483a8a
hex34b81d

3455005 has 4 divisors (see below), whose sum is σ = 4146012. Its totient is φ = 2764000.

The previous prime is 3454993. The next prime is 3455009. The reversal of 3455005 is 5005543.

It is a happy number.

3455005 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 5005543 = 20292467.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 2442969 = 1006^2 + 1563^2 .

It is not a de Polignac number, because 3455005 - 27 = 3454877 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455009) 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 3 ways as a sum of consecutive naturals, for example, 345496 + ... + 345505.

It is an arithmetic number, because the mean of its divisors is an integer number (1036503).

Almost surely, 23455005 is an apocalyptic number.

It is an amenable number.

3455005 is a deficient number, since it is larger than the sum of its proper divisors (691007).

3455005 is an equidigital number, since it uses as much as digits as its factorization.

3455005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691006.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3455005 is about 1858.7643745241. The cubic root of 3455005 is about 151.1760150872.

The spelling of 3455005 in words is "three million, four hundred fifty-five thousand, five".

Divisors: 1 5 691001 3455005