Base | Representation |
---|---|
bin | 11101001110100… |
… | …110101111110110 |
3 | 1021011201021102102 |
4 | 131032212233312 |
5 | 2001013233430 |
6 | 120354142102 |
7 | 15103026200 |
oct | 3516465766 |
9 | 1234637372 |
10 | 490367990 |
11 | 231888802 |
12 | 118281932 |
13 | 7a791b98 |
14 | 491a9770 |
15 | 2d0b4345 |
hex | 1d3a6bf6 |
490367990 has 48 divisors (see below), whose sum is σ = 1028987712. Its totient is φ = 167763456.
The previous prime is 490367963. The next prime is 490368007. The reversal of 490367990 is 99763094.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329027 + ... + 330513.
It is an arithmetic number, because the mean of its divisors is an integer number (21437244).
Almost surely, 2490367990 is an apocalyptic number.
490367990 is an abundant number, since it is smaller than the sum of its proper divisors (538619722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490367990 is a wasteful number, since it uses less digits than its factorization.
490367990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2181 (or 2174 counting only the distinct ones).
The product of its (nonzero) digits is 367416, while the sum is 47.
The square root of 490367990 is about 22144.2541080073. The cubic root of 490367990 is about 788.5708230965.
The spelling of 490367990 in words is "four hundred ninety million, three hundred sixty-seven thousand, nine hundred ninety".
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