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345714287 = 2909118843
BaseRepresentation
bin10100100110110…
…010111001101111
3220002112002211212
4110212302321233
51202000324122
654145505035
711365344242
oct2446627157
9802462755
10345714287
11168168296
129794217b
1356815589
1433cb3259
152053dce2
hex149b2e6f

345714287 has 4 divisors (see below), whose sum is σ = 345836040. Its totient is φ = 345592536.

The previous prime is 345714241. The next prime is 345714301. The reversal of 345714287 is 782417543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782417543 = 1315972653.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345714287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345713287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56513 + ... + 62330.

It is an arithmetic number, because the mean of its divisors is an integer number (86459010).

Almost surely, 2345714287 is an apocalyptic number.

345714287 is a deficient number, since it is larger than the sum of its proper divisors (121753).

345714287 is a wasteful number, since it uses less digits than its factorization.

345714287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121752.

The product of its digits is 188160, while the sum is 41.

The square root of 345714287 is about 18593.3936386019. The cubic root of 345714287 is about 701.8416044825.

The spelling of 345714287 in words is "three hundred forty-five million, seven hundred fourteen thousand, two hundred eighty-seven".

Divisors: 1 2909 118843 345714287