Base | Representation |
---|---|
bin | 10111000101011… |
… | …100011001000111 |
3 | 222222210000210221 |
4 | 113011130121013 |
5 | 1243122143413 |
6 | 102233125211 |
7 | 12412010134 |
oct | 2705343107 |
9 | 888700727 |
10 | 387302983 |
11 | 189693511 |
12 | a9859807 |
13 | 62317282 |
14 | 3961b58b |
15 | 2400668d |
hex | 1715c647 |
387302983 has 16 divisors (see below), whose sum is σ = 404683776. Its totient is φ = 370410400.
The previous prime is 387302953. The next prime is 387302989. The reversal of 387302983 is 389203783.
It is a cyclic number.
It is not a de Polignac number, because 387302983 - 221 = 385205831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387302989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393510 + ... + 394492.
It is an arithmetic number, because the mean of its divisors is an integer number (25292736).
Almost surely, 2387302983 is an apocalyptic number.
387302983 is a deficient number, since it is larger than the sum of its proper divisors (17380793).
387302983 is a wasteful number, since it uses less digits than its factorization.
387302983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1214.
The product of its (nonzero) digits is 217728, while the sum is 43.
The square root of 387302983 is about 19680.0148119863. The cubic root of 387302983 is about 728.9262897907.
The spelling of 387302983 in words is "three hundred eighty-seven million, three hundred two thousand, nine hundred eighty-three".
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