Base | Representation |
---|---|
bin | 10111000001100… |
… | …001010010110111 |
3 | 222220211202222111 |
4 | 113001201102313 |
5 | 1242341240422 |
6 | 102155111451 |
7 | 12400164454 |
oct | 2701412267 |
9 | 886752874 |
10 | 386274487 |
11 | 189050815 |
12 | a9442587 |
13 | 620470b1 |
14 | 3943082b |
15 | 23da1a77 |
hex | 170614b7 |
386274487 has 8 divisors (see below), whose sum is σ = 397447776. Its totient is φ = 375139872.
The previous prime is 386274451. The next prime is 386274491. The reversal of 386274487 is 784472683.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 386274487 - 27 = 386274359 is a prime.
It is a super-2 number, since 2×3862744872 = 298415958614226338, which contains 22 as substring.
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 386274487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386274587) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11238 + ... + 29980.
It is an arithmetic number, because the mean of its divisors is an integer number (49680972).
Almost surely, 2386274487 is an apocalyptic number.
386274487 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
386274487 is a deficient number, since it is larger than the sum of its proper divisors (11173289).
386274487 is a wasteful number, since it uses less digits than its factorization.
386274487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19337.
The product of its digits is 1806336, while the sum is 49.
The square root of 386274487 is about 19653.8669731939. The cubic root of 386274487 is about 728.2804884389.
The spelling of 386274487 in words is "three hundred eighty-six million, two hundred seventy-four thousand, four hundred eighty-seven".
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