Base | Representation |
---|---|
bin | 10001010000111… |
… | …111101100111110 |
3 | 202012001122122211 |
4 | 101100333230332 |
5 | 1043123333102 |
6 | 44424331034 |
7 | 10115064556 |
oct | 2120775476 |
9 | 665048584 |
10 | 289667902 |
11 | 139567867 |
12 | 81013a7a |
13 | 48021034 |
14 | 2a684166 |
15 | 1a66c7d7 |
hex | 1143fb3e |
289667902 has 4 divisors (see below), whose sum is σ = 434501856. Its totient is φ = 144833950.
The previous prime is 289667897. The next prime is 289667923. The reversal of 289667902 is 209766982.
It is a semiprime because it is the product of two primes.
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 as a sum of consecutive naturals, namely, 72416974 + ... + 72416977.
It is an arithmetic number, because the mean of its divisors is an integer number (108625464).
Almost surely, 2289667902 is an apocalyptic number.
289667902 is a deficient number, since it is larger than the sum of its proper divisors (144833954).
289667902 is a wasteful number, since it uses less digits than its factorization.
289667902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144833953.
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 289667902 is about 17019.6328397530. The cubic root of 289667902 is about 661.6578325636.
The spelling of 289667902 in words is "two hundred eighty-nine million, six hundred sixty-seven thousand, nine hundred two".
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