Base | Representation |
---|---|
bin | 11101010000010… |
… | …011101000010111 |
3 | 1021012112221012101 |
4 | 131100103220113 |
5 | 2001122021400 |
6 | 120411502531 |
7 | 15106564351 |
oct | 3520235027 |
9 | 1235487171 |
10 | 490813975 |
11 | 232062893 |
12 | 118457a47 |
13 | 7a8b9b92 |
14 | 492840d1 |
15 | 2d15156a |
hex | 1d413a17 |
490813975 has 24 divisors (see below), whose sum is σ = 615822192. Its totient is φ = 388032000.
The previous prime is 490813963. The next prime is 490814003. The reversal of 490813975 is 579318094.
It is a happy number.
It is not a de Polignac number, because 490813975 - 217 = 490682903 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1223775 + ... + 1224175.
It is an arithmetic number, because the mean of its divisors is an integer number (25659258).
Almost surely, 2490813975 is an apocalyptic number.
490813975 is a deficient number, since it is larger than the sum of its proper divisors (125008217).
490813975 is a wasteful number, since it uses less digits than its factorization.
490813975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 867 (or 862 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 46.
The square root of 490813975 is about 22154.3218131361. The cubic root of 490813975 is about 788.8098165326.
The spelling of 490813975 in words is "four hundred ninety million, eight hundred thirteen thousand, nine hundred seventy-five".
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