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38959389 = 3274115083
BaseRepresentation
bin1001010010011…
…1100100011101
32201022100020100
42110213210131
534433200024
63511011313
7652102140
oct224474435
981270210
1038959389
111aa9a847
1211069b39
1380c0cc1
145262057
1536487c9
hex252791d

38959389 has 24 divisors (see below), whose sum is σ = 65886912. Its totient is φ = 21718080.

The previous prime is 38959387. The next prime is 38959397. The reversal of 38959389 is 98395983.

38959389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38959389 - 21 = 38959387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38959387) 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 23 ways as a sum of consecutive naturals, for example, 4959 + ... + 10124.

It is an arithmetic number, because the mean of its divisors is an integer number (2745288).

Almost surely, 238959389 is an apocalyptic number.

It is an amenable number.

38959389 is a deficient number, since it is larger than the sum of its proper divisors (26927523).

38959389 is a wasteful number, since it uses less digits than its factorization.

38959389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137 (or 15134 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 38959389 is about 6241.7456692820. The cubic root of 38959389 is about 339.0033936017.

The spelling of 38959389 in words is "thirty-eight million, nine hundred fifty-nine thousand, three hundred eighty-nine".

Divisors: 1 3 7 9 21 41 63 123 287 369 861 2583 15083 45249 105581 135747 316743 618403 950229 1855209 4328821 5565627 12986463 38959389