Search a number
-
+
8725505252 = 222181376313
BaseRepresentation
bin10000010000001010…
…01010010011100100
3211112002120121000012
420020011022103210
5120332212132002
64001453505352
7426140366552
oct101005122344
924462517005
108725505252
113778358272
1218361a2258
13a90942679
145caba0bd2
15361059d52
hex20814a4e4

8725505252 has 6 divisors (see below), whose sum is σ = 15269634198. Its totient is φ = 4362752624.

The previous prime is 8725505251. The next prime is 8725505273. The reversal of 8725505252 is 2525055278.

It can be written as a sum of positive squares in only one way, i.e., 8287189156 + 438316096 = 91034^2 + 20936^2 .

It is a super-2 number, since 2×87255052522 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8725505251) 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 as a sum of consecutive naturals, namely, 1090688153 + ... + 1090688160.

It is an arithmetic number, because the mean of its divisors is an integer number (2544939033).

Almost surely, 28725505252 is an apocalyptic number.

It is an amenable number.

8725505252 is a deficient number, since it is larger than the sum of its proper divisors (6544128946).

8725505252 is a wasteful number, since it uses less digits than its factorization.

8725505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181376317 (or 2181376315 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 8725505252 is about 93410.4129741433. The cubic root of 8725505252 is about 2058.7179986417.

The spelling of 8725505252 in words is "eight billion, seven hundred twenty-five million, five hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 2181376313 4362752626 8725505252