Base | Representation |
---|---|
bin | 11101001101101… |
… | …000011111111100 |
3 | 1021011020022200002 |
4 | 131031220133330 |
5 | 2000432104040 |
6 | 120344453432 |
7 | 15100614635 |
oct | 3515503774 |
9 | 1234208602 |
10 | 490113020 |
11 | 231724191 |
12 | 11817a278 |
13 | 7a702b07 |
14 | 4914088c |
15 | 2d063a15 |
hex | 1d3687fc |
490113020 has 12 divisors (see below), whose sum is σ = 1029237384. Its totient is φ = 196045200.
The previous prime is 490113017. The next prime is 490113047. The reversal of 490113020 is 20311094.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 24505651 = 490113020 / (4 + 9 + 0 + 1 + 1 + 3 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 490112983 and 490113001.
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, 12252806 + ... + 12252845.
It is an arithmetic number, because the mean of its divisors is an integer number (85769782).
Almost surely, 2490113020 is an apocalyptic number.
It is an amenable number.
490113020 is an abundant number, since it is smaller than the sum of its proper divisors (539124364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490113020 is a wasteful number, since it uses less digits than its factorization.
490113020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24505660 (or 24505658 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 490113020 is about 22138.4963355690. The cubic root of 490113020 is about 788.4341252392.
The spelling of 490113020 in words is "four hundred ninety million, one hundred thirteen thousand, twenty".
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