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492484309 is a prime number
BaseRepresentation
bin11101010110101…
…011011011010101
31021022200210110121
4131112223123111
52002033444214
6120511351541
715130022212
oct3526533325
91238623417
10492484309
11232aa3829
12118b225b1
137b053245
144959ab09
152d381424
hex1d5ab6d5

492484309 has 2 divisors, whose sum is σ = 492484310. Its totient is φ = 492484308.

The previous prime is 492484249. The next prime is 492484331. The reversal of 492484309 is 903484294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492396100 + 88209 = 22190^2 + 297^2 .

It is a cyclic number.

It is not a de Polignac number, because 492484309 - 217 = 492353237 is a prime.

It is a super-2 number, since 2×4924843092 = 485081589222414962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492484609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246242154 + 246242155.

It is an arithmetic number, because the mean of its divisors is an integer number (246242155).

Almost surely, 2492484309 is an apocalyptic number.

It is an amenable number.

492484309 is a deficient number, since it is larger than the sum of its proper divisors (1).

492484309 is an equidigital number, since it uses as much as digits as its factorization.

492484309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 492484309 is about 22191.9874954903. The cubic root of 492484309 is about 789.7036270109.

The spelling of 492484309 in words is "four hundred ninety-two million, four hundred eighty-four thousand, three hundred nine".