Search a number
-
+
38392245 = 335284387
BaseRepresentation
bin1001001001110…
…1000110110101
32200020112021000
42102131012311
534312022440
63450513513
7644220513
oct222350665
980215230
1038392245
111a742731
1210a35899
137c52b08
1451554b3
153585730
hex249d1b5

38392245 has 16 divisors (see below), whose sum is σ = 68253120. Its totient is φ = 20475792.

The previous prime is 38392213. The next prime is 38392247. The reversal of 38392245 is 54229383.

38392245 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 38392245 - 25 = 38392213 is a prime.

It is a super-2 number, since 2×383922452 = 2947928952280050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38392247) 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 15 ways as a sum of consecutive naturals, for example, 142059 + ... + 142328.

It is an arithmetic number, because the mean of its divisors is an integer number (4265820).

Almost surely, 238392245 is an apocalyptic number.

It is an amenable number.

38392245 is a deficient number, since it is larger than the sum of its proper divisors (29860875).

38392245 is a wasteful number, since it uses less digits than its factorization.

38392245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284401 (or 284395 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 38392245 is about 6196.1475934648. The cubic root of 38392245 is about 337.3503534100.

It can be divided in two parts, 3839 and 2245, that added together give a square (6084 = 782).

The spelling of 38392245 in words is "thirty-eight million, three hundred ninety-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 284387 853161 1421935 2559483 4265805 7678449 12797415 38392245