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38457284 = 2215163671
BaseRepresentation
bin1001001010110…
…0111111000100
32200100211110212
42102230333010
534321113114
63452134552
7644611235
oct222547704
980324425
1038457284
111a787588
1210a67458
137c765b8
14517108c
153599b3e
hex24acfc4

38457284 has 12 divisors (see below), whose sum is σ = 67747008. Its totient is φ = 19101000.

The previous prime is 38457283. The next prime is 38457301. The reversal of 38457284 is 48275483.

38457284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38457283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31232 + ... + 32439.

It is an arithmetic number, because the mean of its divisors is an integer number (5645584).

Almost surely, 238457284 is an apocalyptic number.

It is an amenable number.

38457284 is a deficient number, since it is larger than the sum of its proper divisors (29289724).

38457284 is a wasteful number, since it uses less digits than its factorization.

38457284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63826 (or 63824 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 38457284 is about 6201.3937143194. The cubic root of 38457284 is about 337.5407438694.

The spelling of 38457284 in words is "thirty-eight million, four hundred fifty-seven thousand, two hundred eighty-four".

Divisors: 1 2 4 151 302 604 63671 127342 254684 9614321 19228642 38457284