Base | Representation |
---|---|
bin | 11101011000100… |
… | …100011111111100 |
3 | 1021100121222201200 |
4 | 131120210133330 |
5 | 2002200331340 |
6 | 120530135500 |
7 | 15134156055 |
oct | 3530443774 |
9 | 1240558650 |
10 | 492980220 |
11 | 233302377 |
12 | 119121590 |
13 | 7b197b95 |
14 | 4968972c |
15 | 2d42d330 |
hex | 1d6247fc |
492980220 has 36 divisors (see below), whose sum is σ = 1495373880. Its totient is φ = 131461344.
The previous prime is 492980179. The next prime is 492980221. The reversal of 492980220 is 22089294.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×4929802202 = 486058994622496800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (492980221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369210 + ... + 1369569.
Almost surely, 2492980220 is an apocalyptic number.
It is an amenable number.
492980220 is an abundant number, since it is smaller than the sum of its proper divisors (1002393660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492980220 is a wasteful number, since it uses less digits than its factorization.
492980220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2738794 (or 2738789 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 492980220 is about 22203.1578835084. The cubic root of 492980220 is about 789.9686042108.
The spelling of 492980220 in words is "four hundred ninety-two million, nine hundred eighty thousand, two hundred twenty".
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