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344613668 = 22721758233
BaseRepresentation
bin10100100010100…
…110001100100100
3220000110012002012
4110202212030210
51201210114133
654110133352
711353111400
oct2442461444
9800405065
10344613668
11167586393
12974b1258
135651b619
1433aa8100
15203c2b48
hex148a6324

344613668 has 18 divisors (see below), whose sum is σ = 701535366. Its totient is φ = 147691488.

The previous prime is 344613667. The next prime is 344613677. The reversal of 344613668 is 866316443.

It can be written as a sum of positive squares in only one way, i.e., 177635584 + 166978084 = 13328^2 + 12922^2 .

It is not an unprimeable number, because it can be changed into a prime (344613667) 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 5 ways as a sum of consecutive naturals, for example, 878921 + ... + 879312.

It is an arithmetic number, because the mean of its divisors is an integer number (38974187).

Almost surely, 2344613668 is an apocalyptic number.

It is an amenable number.

344613668 is an abundant number, since it is smaller than the sum of its proper divisors (356921698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344613668 is a wasteful number, since it uses less digits than its factorization.

344613668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758251 (or 1758242 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 344613668 is about 18563.7730001204. The cubic root of 344613668 is about 701.0960163636.

The spelling of 344613668 in words is "three hundred forty-four million, six hundred thirteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 1758233 3516466 7032932 12307631 24615262 49230524 86153417 172306834 344613668