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3442009 = 7148479
BaseRepresentation
bin1101001000010101011001
320110212112211
431020111121
51340121014
6201435121
741154004
oct15102531
96425484
103442009
111a4103a
12119baa1
139368bc
1465853b
1547ecc4
hex348559

3442009 has 4 divisors (see below), whose sum is σ = 3490560. Its totient is φ = 3393460.

The previous prime is 3441989. The next prime is 3442027. The reversal of 3442009 is 9002443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9002443 = 45719699.

It is a cyclic number.

It is not a de Polignac number, because 3442009 - 221 = 1344857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3442409) 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, 24169 + ... + 24310.

It is an arithmetic number, because the mean of its divisors is an integer number (872640).

Almost surely, 23442009 is an apocalyptic number.

It is an amenable number.

3442009 is a deficient number, since it is larger than the sum of its proper divisors (48551).

3442009 is an equidigital number, since it uses as much as digits as its factorization.

3442009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3442009 is about 1855.2652101519. The cubic root of 3442009 is about 150.9862274180.

The spelling of 3442009 in words is "three million, four hundred forty-two thousand, nine".

Divisors: 1 71 48479 3442009