Base | Representation |
---|---|
bin | 10111000101011… |
… | …110011001000000 |
3 | 222222210110001002 |
4 | 113011132121000 |
5 | 1243122424133 |
6 | 102233231132 |
7 | 12412043036 |
oct | 2705363100 |
9 | 888713032 |
10 | 387311168 |
11 | 189699682 |
12 | a98624a8 |
13 | 6231ac0a |
14 | 39620556 |
15 | 24008ce8 |
hex | 1715e640 |
387311168 has 28 divisors (see below), whose sum is σ = 801989760. Its totient is φ = 185235072.
The previous prime is 387311149. The next prime is 387311231. The reversal of 387311168 is 861113783.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130088 + ... + 133031.
Almost surely, 2387311168 is an apocalyptic number.
It is an amenable number.
387311168 is an abundant number, since it is smaller than the sum of its proper divisors (414678592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387311168 is a wasteful number, since it uses less digits than its factorization.
387311168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263154 (or 263144 counting only the distinct ones).
The product of its digits is 24192, while the sum is 38.
The square root of 387311168 is about 19680.2227629669. Note that the first 3 decimals coincide. The cubic root of 387311168 is about 728.9314246334.
The spelling of 387311168 in words is "three hundred eighty-seven million, three hundred eleven thousand, one hundred sixty-eight".
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