Base | Representation |
---|---|
bin | 10110111110010… |
… | …111001011111000 |
3 | 222212021201101210 |
4 | 112332113023320 |
5 | 1242133243043 |
6 | 102125243120 |
7 | 12360146106 |
oct | 2676271370 |
9 | 885251353 |
10 | 385446648 |
11 | 188635854 |
12 | a91034a0 |
13 | 61b17352 |
14 | 39296c76 |
15 | 23c8b633 |
hex | 16f972f8 |
385446648 has 32 divisors (see below), whose sum is σ = 964126800. Its totient is φ = 128414208.
The previous prime is 385446631. The next prime is 385446679. The reversal of 385446648 is 846644583.
It is a junction number, because it is equal to n+sod(n) for n = 385446597 and 385446606.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65158 + ... + 70826.
Almost surely, 2385446648 is an apocalyptic number.
It is an amenable number.
385446648 is an abundant number, since it is smaller than the sum of its proper divisors (578680152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385446648 is a wasteful number, since it uses less digits than its factorization.
385446648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8511 (or 8507 counting only the distinct ones).
The product of its digits is 2211840, while the sum is 48.
The square root of 385446648 is about 19632.7952161683. The cubic root of 385446648 is about 727.7598481314.
The spelling of 385446648 in words is "three hundred eighty-five million, four hundred forty-six thousand, six hundred forty-eight".
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