Base | Representation |
---|---|
bin | 10100000101011… |
… | …00111001111010 |
3 | 102202000200122000 |
4 | 22002230321322 |
5 | 321112333003 |
6 | 24415041430 |
7 | 4114026303 |
oct | 1202547172 |
9 | 382020560 |
10 | 168480378 |
11 | 87114890 |
12 | 48510276 |
13 | 28b9c741 |
14 | 185397aa |
15 | ebd01a3 |
hex | a0ace7a |
168480378 has 32 divisors (see below), whose sum is σ = 408438720. Its totient is φ = 51054480.
The previous prime is 168480337. The next prime is 168480397. The reversal of 168480378 is 873084861.
168480378 is a `hidden beast` number, since 168 + 480 + 3 + 7 + 8 = 666.
168480378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141225 + ... + 142412.
It is an arithmetic number, because the mean of its divisors is an integer number (12763710).
Almost surely, 2168480378 is an apocalyptic number.
168480378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
168480378 is an abundant number, since it is smaller than the sum of its proper divisors (239958342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168480378 is a wasteful number, since it uses less digits than its factorization.
168480378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283659 (or 283653 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 168480378 is about 12979.9991525423. Note that the first 3 decimals coincide. The cubic root of 168480378 is about 552.3102580029.
The spelling of 168480378 in words is "one hundred sixty-eight million, four hundred eighty thousand, three hundred seventy-eight".
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