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38129244 = 2236414957
BaseRepresentation
bin1001000101110…
…0111001011100
32122202011111020
42101130321130
534230113434
63441124140
7642043656
oct221347134
978664436
1038129244
111a58307a
1210929650
137b901aa
1450c76d6
153532849
hex245ce5c

38129244 has 24 divisors (see below), whose sum is σ = 89125008. Its totient is φ = 12687360.

The previous prime is 38129237. The next prime is 38129263. The reversal of 38129244 is 44292183.

38129244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5214 + ... + 10170.

It is an arithmetic number, because the mean of its divisors is an integer number (3713542).

Almost surely, 238129244 is an apocalyptic number.

It is an amenable number.

38129244 is an abundant number, since it is smaller than the sum of its proper divisors (50995764).

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

38129244 is a wasteful number, since it uses less digits than its factorization.

38129244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605 (or 5603 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 38129244 is about 6174.8881771252. Note that the first 3 decimals coincide. The cubic root of 38129244 is about 336.5782630132.

The spelling of 38129244 in words is "thirty-eight million, one hundred twenty-nine thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 641 1282 1923 2564 3846 4957 7692 9914 14871 19828 29742 59484 3177437 6354874 9532311 12709748 19064622 38129244