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344000641 = 992334667
BaseRepresentation
bin10100100000010…
…000100010000001
3212222022001011111
4110200100202001
51201031010031
654045043321
711344646215
oct2440204201
9788261144
10344000641
111671a7856
1297256541
135636559a
1433988945
15203011b1
hex14810881

344000641 has 4 divisors (see below), whose sum is σ = 344045232. Its totient is φ = 343956052.

The previous prime is 344000633. The next prime is 344000651. The reversal of 344000641 is 146000443.

It is a happy number.

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: 146000443 = 197741119.

It is a cyclic number.

It is not a de Polignac number, because 344000641 - 23 = 344000633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344000651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7411 + ... + 27256.

It is an arithmetic number, because the mean of its divisors is an integer number (86011308).

Almost surely, 2344000641 is an apocalyptic number.

It is an amenable number.

344000641 is a deficient number, since it is larger than the sum of its proper divisors (44591).

344000641 is an equidigital number, since it uses as much as digits as its factorization.

344000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44590.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 344000641 is about 18547.2542711853. The cubic root of 344000641 is about 700.6800472860.

The spelling of 344000641 in words is "three hundred forty-four million, six hundred forty-one", and thus it is an aban number.

Divisors: 1 9923 34667 344000641