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492218066 = 21916637789
BaseRepresentation
bin11101010101101…
…010011011010010
31021022012021020202
4131111222123102
52002001434231
6120501535202
715124533044
oct3525523322
91238167222
10492218066
1123293179a
12118a14502
137ac8bcc2
144952ba94
152d32c5cb
hex1d56a6d2

492218066 has 16 divisors (see below), whose sum is σ = 777753600. Its totient is φ = 232985808.

The previous prime is 492218063. The next prime is 492218087. The reversal of 492218066 is 660812294.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (492218063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59300 + ... + 67088.

It is an arithmetic number, because the mean of its divisors is an integer number (48609600).

Almost surely, 2492218066 is an apocalyptic number.

492218066 is a deficient number, since it is larger than the sum of its proper divisors (285535534).

492218066 is a wasteful number, since it uses less digits than its factorization.

492218066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 492218066 is about 22185.9880555273. The cubic root of 492218066 is about 789.5612935674.

The spelling of 492218066 in words is "four hundred ninety-two million, two hundred eighteen thousand, sixty-six".

Divisors: 1 2 19 38 1663 3326 7789 15578 31597 63194 147991 295982 12953107 25906214 246109033 492218066