Search a number
-
+
38328657 = 361720707
BaseRepresentation
bin1001001000110…
…1100101010001
32200010022000220
42102031211101
534303004112
63445303253
7643534233
oct222154521
980108026
1038328657
111a6a9984
1210a04b29
137c2cba3
14513a253
15357198c
hex248d951

38328657 has 8 divisors (see below), whose sum is σ = 51190176. Its totient is φ = 25509792.

The previous prime is 38328637. The next prime is 38328673. The reversal of 38328657 is 75682383.

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

It is not a de Polignac number, because 38328657 - 218 = 38066513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38328607) 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 7 ways as a sum of consecutive naturals, for example, 8503 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (6398772).

Almost surely, 238328657 is an apocalyptic number.

It is an amenable number.

38328657 is a deficient number, since it is larger than the sum of its proper divisors (12861519).

38328657 is a wasteful number, since it uses less digits than its factorization.

38328657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21327.

The product of its digits is 241920, while the sum is 42.

The square root of 38328657 is about 6191.0142141656. The cubic root of 38328657 is about 337.1640025092.

The spelling of 38328657 in words is "thirty-eight million, three hundred twenty-eight thousand, six hundred fifty-seven".

Divisors: 1 3 617 1851 20707 62121 12776219 38328657