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39250225 = 52721792
BaseRepresentation
bin1001010110111…
…0100100110001
32201212010012001
42111232210301
540022001400
63521134001
7654423100
oct225564461
981763161
1039250225
1120179303
121118a301
1381934b1
1452da037
1536a4a6a
hex256e931

39250225 has 27 divisors (see below), whose sum is σ = 56934507. Its totient is φ = 26764080.

The previous prime is 39250201. The next prime is 39250231. The reversal of 39250225 is 52205293.

The square root of 39250225 is 6265.

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

39250225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14130081 + 25120144 = 3759^2 + 5012^2 .

It is not a de Polignac number, because 39250225 - 25 = 39250193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39250193 and 39250202.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 219186 + ... + 219364.

Almost surely, 239250225 is an apocalyptic number.

39250225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39250225 is the 6265-th square number.

39250225 is the 3133-rd centered octagonal number.

It is an amenable number.

39250225 is a deficient number, since it is larger than the sum of its proper divisors (17684282).

39250225 is an equidigital number, since it uses as much as digits as its factorization.

39250225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The cubic root of 39250225 is about 339.8448686756.

The spelling of 39250225 in words is "thirty-nine million, two hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 179 245 895 1225 1253 4475 6265 8771 31325 32041 43855 160205 219275 224287 801025 1121435 1570009 5607175 7850045 39250225