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492254617 = 3531394489
BaseRepresentation
bin11101010101110…
…011010110011001
31021022021010101111
4131111303112121
52002004121432
6120502420321
715125044441
oct3525632631
91238233344
10492254617
112329571a8
12118a316a1
137aca282a
144953b121
152d338347
hex1d573599

492254617 has 4 divisors (see below), whose sum is σ = 493649460. Its totient is φ = 490859776.

The previous prime is 492254597. The next prime is 492254629. The reversal of 492254617 is 716452294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88284816 + 403969801 = 9396^2 + 20099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-492254617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 492254617.

It is not an unprimeable number, because it can be changed into a prime (492254647) 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, 696892 + ... + 697597.

It is an arithmetic number, because the mean of its divisors is an integer number (123412365).

Almost surely, 2492254617 is an apocalyptic number.

It is an amenable number.

492254617 is a deficient number, since it is larger than the sum of its proper divisors (1394843).

492254617 is a wasteful number, since it uses less digits than its factorization.

492254617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394842.

The product of its digits is 120960, while the sum is 40.

The square root of 492254617 is about 22186.8117808756. The cubic root of 492254617 is about 789.5808367622.

The spelling of 492254617 in words is "four hundred ninety-two million, two hundred fifty-four thousand, six hundred seventeen".

Divisors: 1 353 1394489 492254617