Search a number
-
+
38353225 = 522952901
BaseRepresentation
bin1001001001001…
…1100101001001
32200011112201211
42102103211021
534304300400
63450013121
7643665661
oct222234511
980145654
1038353225
111a716389
1210a171a1
137c3b121
1451451a1
153578dba
hex2493949

38353225 has 12 divisors (see below), whose sum is σ = 49198860. Its totient is φ = 29624000.

The previous prime is 38353223. The next prime is 38353243. The reversal of 38353225 is 52235383.

It can be written as a sum of positive squares in 6 ways, for example, as 2509056 + 35844169 = 1584^2 + 5987^2 .

It is not a de Polignac number, because 38353225 - 21 = 38353223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38353223) 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 11 ways as a sum of consecutive naturals, for example, 25726 + ... + 27175.

It is an arithmetic number, because the mean of its divisors is an integer number (4099905).

Almost surely, 238353225 is an apocalyptic number.

It is an amenable number.

38353225 is a deficient number, since it is larger than the sum of its proper divisors (10845635).

38353225 is a wasteful number, since it uses less digits than its factorization.

38353225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52940 (or 52935 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 38353225 is about 6192.9980623281. The cubic root of 38353225 is about 337.2360258693.

The spelling of 38353225 in words is "thirty-eight million, three hundred fifty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 29 145 725 52901 264505 1322525 1534129 7670645 38353225