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492979243 = 17173167623
BaseRepresentation
bin11101011000100…
…100010000101011
31021100121221101111
4131120210100223
52002200313433
6120530131151
715134153161
oct3530442053
91240557344
10492979243
11233301669
12119120ab7
137b1975c3
1449689231
152d42cdcd
hex1d62442b

492979243 has 8 divisors (see below), whose sum is σ = 524998368. Its totient is φ = 461295744.

The previous prime is 492979211. The next prime is 492979259. The reversal of 492979243 is 342979294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 492979243 - 25 = 492979211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492979273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80871 + ... + 86752.

It is an arithmetic number, because the mean of its divisors is an integer number (65624796).

Almost surely, 2492979243 is an apocalyptic number.

492979243 is a deficient number, since it is larger than the sum of its proper divisors (32019125).

492979243 is a wasteful number, since it uses less digits than its factorization.

492979243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167813.

The product of its digits is 979776, while the sum is 49.

The square root of 492979243 is about 22203.1358821226. The cubic root of 492979243 is about 789.9680823509.

The spelling of 492979243 in words is "four hundred ninety-two million, nine hundred seventy-nine thousand, two hundred forty-three".

Divisors: 1 17 173 2941 167623 2849591 28998779 492979243