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344342147 = 617558091
BaseRepresentation
bin10100100001100…
…011111010000011
3212222221101121212
4110201203322003
51201122422042
654100240335
711350600652
oct2441437203
9788841555
10344342147
11167410396
12973a00ab
1356454b66
1433a37199
152036c482
hex14863e83

344342147 has 4 divisors (see below), whose sum is σ = 344900856. Its totient is φ = 343783440.

The previous prime is 344342137. The next prime is 344342153. The reversal of 344342147 is 741243443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741243443 = 2393101437.

It is a cyclic number.

It is not a de Polignac number, because 344342147 - 28 = 344341891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344342107) 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 in 3 ways as a sum of consecutive naturals, for example, 278429 + ... + 279662.

It is an arithmetic number, because the mean of its divisors is an integer number (86225214).

Almost surely, 2344342147 is an apocalyptic number.

344342147 is a deficient number, since it is larger than the sum of its proper divisors (558709).

344342147 is an equidigital number, since it uses as much as digits as its factorization.

344342147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558708.

The product of its digits is 32256, while the sum is 32.

The square root of 344342147 is about 18556.4583635995. The cubic root of 344342147 is about 700.9118368736.

The spelling of 344342147 in words is "three hundred forty-four million, three hundred forty-two thousand, one hundred forty-seven".

Divisors: 1 617 558091 344342147