Search a number
-
+
38283812 = 2271367279
BaseRepresentation
bin1001001000001…
…0101000100100
32200001000111222
42102002220210
534300040222
63444315512
7643256420
oct222025044
980030458
1038283812
111a679216
12109a2b98
137c15658
145127b80
153563542
hex2482a24

38283812 has 12 divisors (see below), whose sum is σ = 76567680. Its totient is φ = 16407336.

The previous prime is 38283793. The next prime is 38283823. The reversal of 38283812 is 21838283.

It is a happy number.

38283812 is an admirable number.

It is a super-2 number, since 2×382838122 = 2931300522502688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683612 + ... + 683667.

It is an arithmetic number, because the mean of its divisors is an integer number (6380640).

Almost surely, 238283812 is an apocalyptic number.

It is an amenable number.

38283812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38283812 is a wasteful number, since it uses less digits than its factorization.

38283812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367290 (or 1367288 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 38283812 is about 6187.3913727838. The cubic root of 38283812 is about 337.0324558492.

The spelling of 38283812 in words is "thirty-eight million, two hundred eighty-three thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 1367279 2734558 5469116 9570953 19141906 38283812