Search a number
-
+
38875225 = 52292432
BaseRepresentation
bin1001010001001…
…1000001011001
32201011001210011
42110103001121
534423001400
63505121521
7651301564
oct224230131
981131704
1038875225
111aa42594
12110292a1
1380918bc
14523d4db
15362d8ba
hex2513059

38875225 has 27 divisors (see below), whose sum is σ = 51112893. Its totient is φ = 29329440.

The previous prime is 38875217. The next prime is 38875229. The reversal of 38875225 is 52257883.

The square root of 38875225 is 6235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 38340864 = 731^2 + 6192^2 .

It is not a de Polignac number, because 38875225 - 23 = 38875217 is a prime.

It is a super-2 number, since 2×388752252 = 3022566237601250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38875229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 904054 + ... + 904096.

Almost surely, 238875225 is an apocalyptic number.

38875225 is the 6235-th square number.

38875225 is the 3118-th centered octagonal number.

It is an amenable number.

38875225 is a deficient number, since it is larger than the sum of its proper divisors (12237668).

38875225 is an equidigital number, since it uses as much as digits as its factorization.

38875225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 77 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The cubic root of 38875225 is about 338.7591011657.

The spelling of 38875225 in words is "thirty-eight million, eight hundred seventy-five thousand, two hundred twenty-five".

Divisors: 1 5 25 29 43 145 215 725 841 1075 1247 1849 4205 6235 9245 21025 31175 36163 46225 53621 180815 268105 904075 1340525 1555009 7775045 38875225