Search a number
-
+
48447225 = 32521971093
BaseRepresentation
bin1011100011001…
…1111011111001
310101011101002200
42320303323321
544400302400
64450220413
71125536361
oct270637371
9111141080
1048447225
1125390132
1214284709
13a0636c8
1466119a1
1543beb00
hex2e33ef9

48447225 has 36 divisors (see below), whose sum is σ = 87294636. Its totient is φ = 25683840.

The previous prime is 48447209. The next prime is 48447233. The reversal of 48447225 is 52274484.

It can be written as a sum of positive squares in 6 ways, for example, as 11614464 + 36832761 = 3408^2 + 6069^2 .

It is not a de Polignac number, because 48447225 - 24 = 48447209 is a prime.

It is a super-2 number, since 2×484472252 = 4694267220401250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48447225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43779 + ... + 44871.

It is an arithmetic number, because the mean of its divisors is an integer number (2424851).

Almost surely, 248447225 is an apocalyptic number.

48447225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48447225 is a deficient number, since it is larger than the sum of its proper divisors (38847411).

48447225 is a wasteful number, since it uses less digits than its factorization.

48447225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1298 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 48447225 is about 6960.4040830975. The cubic root of 48447225 is about 364.5493280574.

The spelling of 48447225 in words is "forty-eight million, four hundred forty-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 197 225 591 985 1093 1773 2955 3279 4925 5465 8865 9837 14775 16395 27325 44325 49185 81975 215321 245925 645963 1076605 1937889 3229815 5383025 9689445 16149075 48447225