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343350769 = 418374409
BaseRepresentation
bin10100011101110…
…001110111110001
3212221002000201011
4110131301313301
51200344211034
654023110521
711336301436
oct2435616761
9787060634
10343350769
111668a3573
1296ba2441
1356198848
1433859b8d
1520223864
hex14771df1

343350769 has 4 divisors (see below), whose sum is σ = 351725220. Its totient is φ = 334976320.

The previous prime is 343350731. The next prime is 343350781. The reversal of 343350769 is 967053343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967053343 = 2933346667.

It can be written as a sum of positive squares in 2 ways, for example, as 167443600 + 175907169 = 12940^2 + 13263^2 .

It is a cyclic number.

It is not a de Polignac number, because 343350769 - 29 = 343350257 is a prime.

It is a super-2 number, since 2×3433507692 = 235779501145782722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343350719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187164 + ... + 4187245.

It is an arithmetic number, because the mean of its divisors is an integer number (87931305).

Almost surely, 2343350769 is an apocalyptic number.

It is an amenable number.

343350769 is a deficient number, since it is larger than the sum of its proper divisors (8374451).

343350769 is an equidigital number, since it uses as much as digits as its factorization.

343350769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374450.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 343350769 is about 18529.7266304714. The cubic root of 343350769 is about 700.2385370725.

The spelling of 343350769 in words is "three hundred forty-three million, three hundred fifty thousand, seven hundred sixty-nine".

Divisors: 1 41 8374409 343350769