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34343321 = 40983969
BaseRepresentation
bin1000001100000…
…0100110011001
32101121211011212
42003000212121
532242441241
63224032505
7564625205
oct203004631
971554155
1034343321
1118427711
12b602735
137165bbc
1447bdb05
153035beb
hex20c0999

34343321 has 4 divisors (see below), whose sum is σ = 34427700. Its totient is φ = 34258944.

The previous prime is 34343303. The next prime is 34343327. The reversal of 34343321 is 12334343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12334343 = 71762049.

It can be written as a sum of positive squares in 2 ways, for example, as 31584400 + 2758921 = 5620^2 + 1661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34343321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34343327) 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, 41576 + ... + 42393.

It is an arithmetic number, because the mean of its divisors is an integer number (8606925).

Almost surely, 234343321 is an apocalyptic number.

It is an amenable number.

34343321 is a deficient number, since it is larger than the sum of its proper divisors (84379).

34343321 is an equidigital number, since it uses as much as digits as its factorization.

34343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84378.

The product of its digits is 2592, while the sum is 23.

The square root of 34343321 is about 5860.3174828673. The cubic root of 34343321 is about 325.0479487441.

Adding to 34343321 its reverse (12334343), we get a palindrome (46677664).

The spelling of 34343321 in words is "thirty-four million, three hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 409 83969 34343321