Base | Representation |
---|---|
bin | 10110111111000… |
… | …001000100110000 |
3 | 222212121102202110 |
4 | 112333001010300 |
5 | 1242204240344 |
6 | 102133045320 |
7 | 12361462245 |
oct | 2677010460 |
9 | 885542673 |
10 | 385618224 |
11 | 188742752 |
12 | a9186840 |
13 | 61b77484 |
14 | 392dd5cc |
15 | 23cc23b9 |
hex | 16fc1130 |
385618224 has 40 divisors (see below), whose sum is σ = 1048613440. Its totient is φ = 121773888.
The previous prime is 385618201. The next prime is 385618279. The reversal of 385618224 is 422816583.
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, 210502 + ... + 212325.
It is an arithmetic number, because the mean of its divisors is an integer number (26215336).
Almost surely, 2385618224 is an apocalyptic number.
It is an amenable number.
385618224 is an abundant number, since it is smaller than the sum of its proper divisors (662995216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385618224 is a wasteful number, since it uses less digits than its factorization.
385618224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422857 (or 422851 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 385618224 is about 19637.1643574117. The cubic root of 385618224 is about 727.8678160361.
The spelling of 385618224 in words is "three hundred eighty-five million, six hundred eighteen thousand, two hundred twenty-four".
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