Base | Representation |
---|---|
bin | 10110111101010… |
… | …010101101000000 |
3 | 222211202110121202 |
4 | 112331102231000 |
5 | 1242100304034 |
6 | 102115240332 |
7 | 12354600236 |
oct | 2675225500 |
9 | 884673552 |
10 | 385166144 |
11 | 188464030 |
12 | a8ba90a8 |
13 | 61a4977c |
14 | 39222956 |
15 | 23c3347e |
hex | 16f52b40 |
385166144 has 56 divisors (see below), whose sum is σ = 882871488. Its totient is φ = 164771840.
The previous prime is 385166137. The next prime is 385166147. The reversal of 385166144 is 441661583.
It is a junction number, because it is equal to n+sod(n) for n = 385166098 and 385166107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385166147) 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, 4124 + ... + 28059.
Almost surely, 2385166144 is an apocalyptic number.
385166144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
385166144 is an abundant number, since it is smaller than the sum of its proper divisors (497705344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385166144 is a wasteful number, since it uses less digits than its factorization.
385166144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32223 (or 32213 counting only the distinct ones).
The product of its digits is 69120, while the sum is 38.
The square root of 385166144 is about 19625.6501548356. The cubic root of 385166144 is about 727.5832658992.
The spelling of 385166144 in words is "three hundred eighty-five million, one hundred sixty-six thousand, one hundred forty-four".
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