Base | Representation |
---|---|
bin | 11101010000110… |
… | …010110101110111 |
3 | 1021012210102120012 |
4 | 131100302311313 |
5 | 2001140114230 |
6 | 120414330435 |
7 | 15110636150 |
oct | 3520626567 |
9 | 1235712505 |
10 | 490941815 |
11 | 23213a941 |
12 | 1184b9a1b |
13 | 7a933120 |
14 | 492b8927 |
15 | 2d179395 |
hex | 1d432d77 |
490941815 has 16 divisors (see below), whose sum is σ = 725083968. Its totient is φ = 310749696.
The previous prime is 490941791. The next prime is 490941833. The reversal of 490941815 is 518149094.
It is a cyclic number.
It is not a de Polignac number, because 490941815 - 26 = 490941751 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 539042 + ... + 539951.
It is an arithmetic number, because the mean of its divisors is an integer number (45317748).
Almost surely, 2490941815 is an apocalyptic number.
490941815 is a deficient number, since it is larger than the sum of its proper divisors (234142153).
490941815 is a wasteful number, since it uses less digits than its factorization.
490941815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1079018.
The product of its (nonzero) digits is 51840, while the sum is 41.
The square root of 490941815 is about 22157.2068411161. The cubic root of 490941815 is about 788.8782964443.
The spelling of 490941815 in words is "four hundred ninety million, nine hundred forty-one thousand, eight hundred fifteen".
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