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3445309 = 73115877
BaseRepresentation
bin1101001001001000111101
320111001002001
431021020331
51340222214
6201502301
741166430
oct15111075
96431061
103445309
111a4356a
1211a1991
1393825a
14659817
15480c74
hex34923d

3445309 has 8 divisors (see below), whose sum is σ = 4064768. Its totient is φ = 2857680.

The previous prime is 3445303. The next prime is 3445357. The reversal of 3445309 is 9035443.

3445309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3445309 - 23 = 3445301 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 (3445301) 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, 7722 + ... + 8155.

It is an arithmetic number, because the mean of its divisors is an integer number (508096).

Almost surely, 23445309 is an apocalyptic number.

It is an amenable number.

3445309 is a deficient number, since it is larger than the sum of its proper divisors (619459).

3445309 is a wasteful number, since it uses less digits than its factorization.

3445309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15915.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3445309 is about 1856.1543578054. The cubic root of 3445309 is about 151.0344643055.

The spelling of 3445309 in words is "three million, four hundred forty-five thousand, three hundred nine".

Divisors: 1 7 31 217 15877 111139 492187 3445309