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38668727 = 172398897
BaseRepresentation
bin1001001110000…
…0100110110111
32200202120112002
42103200212313
534344344402
63500445515
7646451546
oct223404667
980676462
1038668727
111a911429
1210b4989b
13801b906
1451c815d
1535dc602
hex24e09b7

38668727 has 8 divisors (see below), whose sum is σ = 42723936. Its totient is φ = 34811392.

The previous prime is 38668723. The next prime is 38668753. The reversal of 38668727 is 72786683.

38668727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38668727 - 22 = 38668723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38668723) 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 7 ways as a sum of consecutive naturals, for example, 49058 + ... + 49839.

It is an arithmetic number, because the mean of its divisors is an integer number (5340492).

Almost surely, 238668727 is an apocalyptic number.

38668727 is a deficient number, since it is larger than the sum of its proper divisors (4055209).

38668727 is a wasteful number, since it uses less digits than its factorization.

38668727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98937.

The product of its digits is 677376, while the sum is 47.

The square root of 38668727 is about 6218.4183680418. The cubic root of 38668727 is about 338.1582274477.

The spelling of 38668727 in words is "thirty-eight million, six hundred sixty-eight thousand, seven hundred twenty-seven".

Divisors: 1 17 23 391 98897 1681249 2274631 38668727