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344172338 = 2172086169
BaseRepresentation
bin10100100000111…
…010011100110010
3212222121202200122
4110200322130302
51201102003323
654052450242
711346262616
oct2440723462
9788552618
10344172338
11167304854
1297319982
13563c5793
14339d1346
1520336ec8
hex1483a732

344172338 has 4 divisors (see below), whose sum is σ = 516258510. Its totient is φ = 172086168.

The previous prime is 344172331. The next prime is 344172343. The reversal of 344172338 is 833271443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833271443 = 5571495999.

It can be written as a sum of positive squares in only one way, i.e., 179640409 + 164531929 = 13403^2 + 12827^2 .

It is a junction number, because it is equal to n+sod(n) for n = 344172298 and 344172307.

It is not an unprimeable number, because it can be changed into a prime (344172331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86043083 + ... + 86043086.

Almost surely, 2344172338 is an apocalyptic number.

344172338 is a deficient number, since it is larger than the sum of its proper divisors (172086172).

344172338 is a wasteful number, since it uses less digits than its factorization.

344172338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172086171.

The product of its digits is 48384, while the sum is 35.

The square root of 344172338 is about 18551.8823303728. The cubic root of 344172338 is about 700.7966019644.

The spelling of 344172338 in words is "three hundred forty-four million, one hundred seventy-two thousand, three hundred thirty-eight".

Divisors: 1 2 172086169 344172338