Base | Representation |
---|---|
bin | 10110111111011… |
… | …110100100001010 |
3 | 222212211120110022 |
4 | 112333132210022 |
5 | 1242222122033 |
6 | 102135420442 |
7 | 12362504360 |
oct | 2677364412 |
9 | 885746408 |
10 | 385739018 |
11 | 188815485 |
12 | a9224722 |
13 | 61bba452 |
14 | 39331630 |
15 | 23ce8098 |
hex | 16fde90a |
385739018 has 8 divisors (see below), whose sum is σ = 661266912. Its totient is φ = 165316716.
The previous prime is 385738979. The next prime is 385739021. The reversal of 385739018 is 810937583.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 385739018.
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 in 3 ways as a sum of consecutive naturals, for example, 13776380 + ... + 13776407.
It is an arithmetic number, because the mean of its divisors is an integer number (82658364).
Almost surely, 2385739018 is an apocalyptic number.
385739018 is a deficient number, since it is larger than the sum of its proper divisors (275527894).
385739018 is a wasteful number, since it uses less digits than its factorization.
385739018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27552796.
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 385739018 is about 19640.2397643206. The cubic root of 385739018 is about 727.9438090611.
It can be divided in two parts, 3857 and 39018, that added together give a cube (42875 = 353).
The spelling of 385739018 in words is "three hundred eighty-five million, seven hundred thirty-nine thousand, eighteen".
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