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492595889 = 79278929
BaseRepresentation
bin11101010111000…
…110101010110001
31021022220110112012
4131113012222301
52002101032024
6120514012305
715130665422
oct3527065261
91238813465
10492595889
1123306a645
12118b77095
137b091c76
14495c9649
152d3a450e
hex1d5c6ab1

492595889 has 6 divisors (see below), whose sum is σ = 498916530. Its totient is φ = 486354336.

The previous prime is 492595879. The next prime is 492595913. The reversal of 492595889 is 988595294.

It can be written as a sum of positive squares in only one way, i.e., 489294400 + 3301489 = 22120^2 + 1817^2 .

It is not a de Polignac number, because 492595889 - 212 = 492591793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492595819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33224 + ... + 45705.

It is an arithmetic number, because the mean of its divisors is an integer number (83152755).

Almost surely, 2492595889 is an apocalyptic number.

It is an amenable number.

492595889 is a deficient number, since it is larger than the sum of its proper divisors (6320641).

492595889 is an frugal number, since it uses more digits than its factorization.

492595889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79087 (or 79008 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 59.

The square root of 492595889 is about 22194.5013235261. The cubic root of 492595889 is about 789.7632623978.

The spelling of 492595889 in words is "four hundred ninety-two million, five hundred ninety-five thousand, eight hundred eighty-nine".

Divisors: 1 79 6241 78929 6235391 492595889