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238054228 = 22173463743
BaseRepresentation
bin11100011000001…
…10101101010100
3121120221102000021
432030012231110
5441420213403
635342154524
75620266436
oct1614065524
9546842007
10238054228
11112414735
1267882a44
133a41c2b9
142388a656
1515d748bd
hexe306b54

238054228 has 24 divisors (see below), whose sum is σ = 420473088. Its totient is φ = 117924576.

The previous prime is 238054169. The next prime is 238054253. The reversal of 238054228 is 822450832.

It is a happy number.

238054228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 238054193 and 238054202.

It is a congruent number.

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, 320025 + ... + 320767.

It is an arithmetic number, because the mean of its divisors is an integer number (17519712).

Almost surely, 2238054228 is an apocalyptic number.

It is an amenable number.

238054228 is a deficient number, since it is larger than the sum of its proper divisors (182418860).

238054228 is a wasteful number, since it uses less digits than its factorization.

238054228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 238054228 is about 15429.0060600157. The cubic root of 238054228 is about 619.7625070274.

The spelling of 238054228 in words is "two hundred thirty-eight million, fifty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 173 346 463 692 743 926 1486 1852 2972 80099 128539 160198 257078 320396 344009 514156 688018 1376036 59513557 119027114 238054228