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492487940 = 22576735227
BaseRepresentation
bin11101010110101…
…100010100000100
31021022200222110002
4131112230110010
52002034103230
6120511420432
715130035620
oct3526542404
91238628402
10492487940
11232aa652a
12118b24718
137b054aa9
144959c180
152d382545
hex1d5ac504

492487940 has 48 divisors (see below), whose sum is σ = 1183953792. Its totient is φ = 168569856.

The previous prime is 492487921. The next prime is 492487951. The reversal of 492487940 is 49784294.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91607 + ... + 96833.

It is an arithmetic number, because the mean of its divisors is an integer number (24665704).

Almost surely, 2492487940 is an apocalyptic number.

It is an amenable number.

492487940 is an abundant number, since it is smaller than the sum of its proper divisors (691465852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492487940 is a wasteful number, since it uses less digits than its factorization.

492487940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916 (or 5914 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 492487940 is about 22192.0693041456. The cubic root of 492487940 is about 789.7055677880.

The spelling of 492487940 in words is "four hundred ninety-two million, four hundred eighty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 673 1346 2692 3365 4711 5227 6730 9422 10454 13460 18844 20908 23555 26135 36589 47110 52270 73178 94220 104540 146356 182945 365890 731780 3517771 7035542 14071084 17588855 24624397 35177710 49248794 70355420 98497588 123121985 246243970 492487940