Base | Representation |
---|---|
bin | 11101011111111… |
… | …100001000010100 |
3 | 1021111021010122211 |
4 | 131133330020110 |
5 | 2003144141040 |
6 | 121035403204 |
7 | 15156453121 |
oct | 3537741024 |
9 | 1244233584 |
10 | 494912020 |
11 | 2344017a9 |
12 | 1198b3504 |
13 | 7b6c3265 |
14 | 49a2d748 |
15 | 2d6b08ea |
hex | 1d7fc214 |
494912020 has 12 divisors (see below), whose sum is σ = 1039315284. Its totient is φ = 197964800.
The previous prime is 494912017. The next prime is 494912053. The reversal of 494912020 is 20219494.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 307441156 + 187470864 = 17534^2 + 13692^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12372781 + ... + 12372820.
It is an arithmetic number, because the mean of its divisors is an integer number (86609607).
Almost surely, 2494912020 is an apocalyptic number.
It is an amenable number.
494912020 is an abundant number, since it is smaller than the sum of its proper divisors (544403264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494912020 is a wasteful number, since it uses less digits than its factorization.
494912020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24745610 (or 24745608 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 494912020 is about 22246.6181699601. The cubic root of 494912020 is about 790.9991204241. Note that the first 3 decimals are identical.
The spelling of 494912020 in words is "four hundred ninety-four million, nine hundred twelve thousand, twenty".
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