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492037289 is a prime number
BaseRepresentation
bin11101010100111…
…110010010101001
31021021212002021022
4131110332102221
52001430143124
6120454022225
715123151022
oct3524762251
91237762238
10492037289
11232818997
12118947975
137ac27933
14494c1c49
152d2e3c5e
hex1d53e4a9

492037289 has 2 divisors, whose sum is σ = 492037290. Its totient is φ = 492037288.

The previous prime is 492037279. The next prime is 492037291. The reversal of 492037289 is 982730294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430147600 + 61889689 = 20740^2 + 7867^2 .

It is a cyclic number.

It is not a de Polignac number, because 492037289 - 224 = 475260073 is a prime.

Together with 492037291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492037279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246018644 + 246018645.

It is an arithmetic number, because the mean of its divisors is an integer number (246018645).

Almost surely, 2492037289 is an apocalyptic number.

It is an amenable number.

492037289 is a deficient number, since it is larger than the sum of its proper divisors (1).

492037289 is an equidigital number, since it uses as much as digits as its factorization.

492037289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 492037289 is about 22181.9135558680. The cubic root of 492037289 is about 789.4646209682.

The spelling of 492037289 in words is "four hundred ninety-two million, thirty-seven thousand, two hundred eighty-nine".