Base | Representation |
---|---|
bin | 10110111111111… |
… | …110100010000110 |
3 | 222220002020001221 |
4 | 112333332202012 |
5 | 1242240314313 |
6 | 102142310554 |
7 | 12363561205 |
oct | 2677764206 |
9 | 886066057 |
10 | 385869958 |
11 | 1888a48a1 |
12 | a928845a |
13 | 61c34c26 |
14 | 3936723c |
15 | 23d21c8d |
hex | 16ffe886 |
385869958 has 16 divisors (see below), whose sum is σ = 598800384. Its totient is φ = 186297480.
The previous prime is 385869943. The next prime is 385869959. The reversal of 385869958 is 859968583.
It is a junction number, because it is equal to n+sod(n) for n = 385869896 and 385869905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385869959) 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, 22291 + ... + 35617.
It is an arithmetic number, because the mean of its divisors is an integer number (37425024).
Almost surely, 2385869958 is an apocalyptic number.
385869958 is a deficient number, since it is larger than the sum of its proper divisors (212930426).
385869958 is a wasteful number, since it uses less digits than its factorization.
385869958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13827.
The product of its digits is 18662400, while the sum is 61.
The square root of 385869958 is about 19643.5729438409. The cubic root of 385869958 is about 728.0261671450.
The spelling of 385869958 in words is "three hundred eighty-five million, eight hundred sixty-nine thousand, nine hundred fifty-eight".
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