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3442809 = 33533251
BaseRepresentation
bin1101001000100001111001
320110220122110
431020201321
51340132214
6201442533
741156226
oct15104171
96426573
103442809
111a416a7
1211a0449
13937086
1465894d
15480159
hex348879

3442809 has 8 divisors (see below), whose sum is σ = 4604832. Its totient is φ = 2288000.

The previous prime is 3442807. The next prime is 3442841. The reversal of 3442809 is 9082443.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3442809 - 21 = 3442807 is a prime.

3442809 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (575604).

Almost surely, 23442809 is an apocalyptic number.

It is an amenable number.

3442809 is a deficient number, since it is larger than the sum of its proper divisors (1162023).

3442809 is a wasteful number, since it uses less digits than its factorization.

3442809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3442809 is about 1855.4808002240. The cubic root of 3442809 is about 150.9979240391.

The spelling of 3442809 in words is "three million, four hundred forty-two thousand, eight hundred nine".

Divisors: 1 3 353 1059 3251 9753 1147603 3442809