Base | Representation |
---|---|
bin | 11101001110001… |
… | …001011101010100 |
3 | 1021011111011212002 |
4 | 131032021131110 |
5 | 2001000414040 |
6 | 120351414432 |
7 | 15102016343 |
oct | 3516113524 |
9 | 1234434762 |
10 | 490248020 |
11 | 231806659 |
12 | 118224418 |
13 | 7a74c3b2 |
14 | 49177b5a |
15 | 2d08da15 |
hex | 1d389754 |
490248020 has 18 divisors (see below), whose sum is σ = 1029728826. Its totient is φ = 196059600.
The previous prime is 490248019. The next prime is 490248037. The reversal of 490248020 is 20842094.
It can be written as a sum of positive squares in only one way, i.e., 392198416 + 98049604 = 19804^2 + 9902^2 .
It is a super-2 number, since 2×4902480202 = 480686242227840800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96545 + ... + 101495.
It is an arithmetic number, because the mean of its divisors is an integer number (57207157).
Almost surely, 2490248020 is an apocalyptic number.
It is an amenable number.
490248020 is an abundant number, since it is smaller than the sum of its proper divisors (539480806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490248020 is an frugal number, since it uses more digits than its factorization.
490248020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9911 (or 4958 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 490248020 is about 22141.5451132029. The cubic root of 490248020 is about 788.5065091121.
The spelling of 490248020 in words is "four hundred ninety million, two hundred forty-eight thousand, twenty".
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