Base | Representation |
---|---|
bin | 10110101110011… |
… | …011010011101100 |
3 | 222120102111001112 |
4 | 112232123103230 |
5 | 1240101103403 |
6 | 101455531152 |
7 | 12306510044 |
oct | 2656332354 |
9 | 876374045 |
10 | 381269228 |
11 | 18624223a |
12 | a7829ab8 |
13 | 60cb3ac2 |
14 | 388ca724 |
15 | 237139d8 |
hex | 16b9b4ec |
381269228 has 6 divisors (see below), whose sum is σ = 667221156. Its totient is φ = 190634612.
The previous prime is 381269221. The next prime is 381269249. The reversal of 381269228 is 822962183.
It is not an unprimeable number, because it can be changed into a prime (381269221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47658650 + ... + 47658657.
It is an arithmetic number, because the mean of its divisors is an integer number (111203526).
Almost surely, 2381269228 is an apocalyptic number.
It is an amenable number.
381269228 is a deficient number, since it is larger than the sum of its proper divisors (285951928).
381269228 is a wasteful number, since it uses less digits than its factorization.
381269228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95317311 (or 95317309 counting only the distinct ones).
The product of its digits is 82944, while the sum is 41.
The square root of 381269228 is about 19526.1165621841. The cubic root of 381269228 is about 725.1211707105.
The spelling of 381269228 in words is "three hundred eighty-one million, two hundred sixty-nine thousand, two hundred twenty-eight".
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