Base | Representation |
---|---|
bin | 11101001101001… |
… | …111010001101011 |
3 | 1021011001001221200 |
4 | 131031033101223 |
5 | 2000420302312 |
6 | 120342335243 |
7 | 15100004505 |
oct | 3515172153 |
9 | 1234031850 |
10 | 490009707 |
11 | 231663600 |
12 | 11812a523 |
13 | 7a697a95 |
14 | 49114d75 |
15 | 2d0430dc |
hex | 1d34f46b |
490009707 has 18 divisors (see below), whose sum is σ = 777987756. Its totient is φ = 296974920.
The previous prime is 490009693. The next prime is 490009721. The reversal of 490009707 is 707900094.
It is an interprime number because it is at equal distance from previous prime (490009693) and next prime (490009721).
It is not a de Polignac number, because 490009707 - 26 = 490009643 is a prime.
It is not an unprimeable number, because it can be changed into a prime (490009757) by changing a digit.
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 17 ways as a sum of consecutive naturals, for example, 223893 + ... + 226070.
It is an arithmetic number, because the mean of its divisors is an integer number (43221542).
Almost surely, 2490009707 is an apocalyptic number.
490009707 is a deficient number, since it is larger than the sum of its proper divisors (287978049).
490009707 is a wasteful number, since it uses less digits than its factorization.
490009707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449991 (or 449977 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 36.
The square root of 490009707 is about 22136.1628788731. The cubic root of 490009707 is about 788.3787222229.
The spelling of 490009707 in words is "four hundred ninety million, nine thousand, seven hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •