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344130146 = 2474098951
BaseRepresentation
bin10100100000110…
…000001001100010
3212222112121210222
4110200300021202
51201044131041
654051523042
711346025613
oct2440601142
9788477728
10344130146
11167286088
12972b9482
13563ac509
14339bdc0a
152032974b
hex14830262

344130146 has 16 divisors (see below), whose sum is σ = 528526080. Its totient is φ = 167973600.

The previous prime is 344130139. The next prime is 344130181. The reversal of 344130146 is 641031443.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33971 + ... + 42921.

It is an arithmetic number, because the mean of its divisors is an integer number (33032880).

Almost surely, 2344130146 is an apocalyptic number.

344130146 is a deficient number, since it is larger than the sum of its proper divisors (184395934).

344130146 is a wasteful number, since it uses less digits than its factorization.

344130146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 344130146 is about 18550.7451602355. The cubic root of 344130146 is about 700.7679639680.

Adding to 344130146 its reverse (641031443), we get a palindrome (985161589).

The spelling of 344130146 in words is "three hundred forty-four million, one hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 47 94 409 818 8951 17902 19223 38446 420697 841394 3660959 7321918 172065073 344130146