Base | Representation |
---|---|
bin | 11101011000011… |
… | …010101011001100 |
3 | 1021100112221112022 |
4 | 131120122223030 |
5 | 2002143034410 |
6 | 120525225312 |
7 | 15133630541 |
oct | 3530325314 |
9 | 1240487468 |
10 | 492939980 |
11 | 233285115 |
12 | 119102238 |
13 | 7b182780 |
14 | 49678bc8 |
15 | 2d421455 |
hex | 1d61aacc |
492939980 has 48 divisors (see below), whose sum is σ = 1116635520. Its totient is φ = 181709568.
The previous prime is 492939961. The next prime is 492939991. The reversal of 492939980 is 89939294.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214397 + ... + 216683.
It is an arithmetic number, because the mean of its divisors is an integer number (23263240).
Almost surely, 2492939980 is an apocalyptic number.
It is an amenable number.
492939980 is an abundant number, since it is smaller than the sum of its proper divisors (623695540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492939980 is a wasteful number, since it uses less digits than its factorization.
492939980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).
The product of its (nonzero) digits is 1259712, while the sum is 53.
The square root of 492939980 is about 22202.2516876104. The cubic root of 492939980 is about 789.9471096354.
The spelling of 492939980 in words is "four hundred ninety-two million, nine hundred thirty-nine thousand, nine hundred eighty".
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