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38429850 = 2352256199
BaseRepresentation
bin1001001010011…
…0010010011010
32200022102211210
42102212102122
534314223400
63451403550
7644435244
oct222462232
980272753
1038429850
111a768a08
1210a535b6
137c66c74
145165094
153591950
hex24a649a

38429850 has 24 divisors (see below), whose sum is σ = 95306400. Its totient is φ = 10247920.

The previous prime is 38429821. The next prime is 38429851. The reversal of 38429850 is 5892483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38429799 and 38429808.

It is not an unprimeable number, because it can be changed into a prime (38429851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127950 + ... + 128249.

It is an arithmetic number, because the mean of its divisors is an integer number (3971100).

Almost surely, 238429850 is an apocalyptic number.

38429850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38429850 is an abundant number, since it is smaller than the sum of its proper divisors (56876550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38429850 is a wasteful number, since it uses less digits than its factorization.

38429850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256214 (or 256209 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 38429850 is about 6199.1813975718. The cubic root of 38429850 is about 337.4604617606.

The spelling of 38429850 in words is "thirty-eight million, four hundred twenty-nine thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 256199 512398 768597 1280995 1537194 2561990 3842985 6404975 7685970 12809950 19214925 38429850