Base | Representation |
---|---|
bin | 10111101011111… |
… | …001010010010011 |
3 | 1000200202010201121 |
4 | 113223321102103 |
5 | 1303212222203 |
6 | 103233143111 |
7 | 12563461306 |
oct | 2753712223 |
9 | 1020663647 |
10 | 397382803 |
11 | 194348644 |
12 | b10baa97 |
13 | 6443626c |
14 | 3aac2b3d |
15 | 24d480bd |
hex | 17af9493 |
397382803 has 12 divisors (see below), whose sum is σ = 422854432. Its totient is φ = 373368960.
The previous prime is 397382779. The next prime is 397382813. The reversal of 397382803 is 308283793.
It is not a de Polignac number, because 397382803 - 25 = 397382771 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 397382803.
It is not an unprimeable number, because it can be changed into a prime (397382813) 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 11 ways as a sum of consecutive naturals, for example, 322198 + ... + 323428.
Almost surely, 2397382803 is an apocalyptic number.
397382803 is a deficient number, since it is larger than the sum of its proper divisors (25471629).
397382803 is a wasteful number, since it uses less digits than its factorization.
397382803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2382 (or 2365 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 43.
The square root of 397382803 is about 19934.4626965464. The cubic root of 397382803 is about 735.1958094312.
The spelling of 397382803 in words is "three hundred ninety-seven million, three hundred eighty-two thousand, eight hundred three".
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