Search a number
-
+
344342609 = 1337715889
BaseRepresentation
bin10100100001100…
…100000001010001
3212222221102020222
4110201210001101
51201122430414
654100242425
711350602212
oct2441440121
9788842228
10344342609
11167410776
12973a0415
1356455130
1433a37409
152036c68e
hex14864051

344342609 has 8 divisors (see below), whose sum is σ = 380853480. Its totient is φ = 309263616.

The previous prime is 344342587. The next prime is 344342611. The reversal of 344342609 is 906243443.

It can be written as a sum of positive squares in 4 ways, for example, as 95491984 + 248850625 = 9772^2 + 15775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 344342609 - 28 = 344342353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344342639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357464 + ... + 358425.

It is an arithmetic number, because the mean of its divisors is an integer number (47606685).

Almost surely, 2344342609 is an apocalyptic number.

It is an amenable number.

344342609 is a deficient number, since it is larger than the sum of its proper divisors (36510871).

344342609 is a wasteful number, since it uses less digits than its factorization.

344342609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715939.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 344342609 is about 18556.4708120914. The cubic root of 344342609 is about 700.9121503420.

The spelling of 344342609 in words is "three hundred forty-four million, three hundred forty-two thousand, six hundred nine".

Divisors: 1 13 37 481 715889 9306557 26487893 344342609