Base | Representation |
---|---|
bin | 10110111101000… |
… | …011000010100100 |
3 | 222211122012121121 |
4 | 112331003002210 |
5 | 1242041230423 |
6 | 102114023324 |
7 | 12354212215 |
oct | 2675030244 |
9 | 884565547 |
10 | 385101988 |
11 | 18841a907 |
12 | a8b77b44 |
13 | 61a264cb |
14 | 3920740c |
15 | 23c1e45d |
hex | 16f430a4 |
385101988 has 24 divisors (see below), whose sum is σ = 682450272. Its totient is φ = 190128384.
The previous prime is 385101961. The next prime is 385102001. The reversal of 385101988 is 889101583.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
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 7 ways as a sum of consecutive naturals, for example, 147220 + ... + 149812.
It is an arithmetic number, because the mean of its divisors is an integer number (28435428).
Almost surely, 2385101988 is an apocalyptic number.
It is an amenable number.
385101988 is a deficient number, since it is larger than the sum of its proper divisors (297348284).
385101988 is a wasteful number, since it uses less digits than its factorization.
385101988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3051 (or 3049 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 43.
The square root of 385101988 is about 19624.0155931450. The cubic root of 385101988 is about 727.5428665160.
The spelling of 385101988 in words is "three hundred eighty-five million, one hundred one thousand, nine hundred eighty-eight".
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