Search a number
-
+
8890025 = 523111471
BaseRepresentation
bin100001111010…
…011010101001
3121201122211012
4201322122221
54233440100
6514313305
7135364304
oct41723251
917648735
108890025
115022231
122b88835
131ac3591
141275b3b
15ba9135
hex87a6a9

8890025 has 12 divisors (see below), whose sum is σ = 11380224. Its totient is φ = 6882000.

The previous prime is 8889977. The next prime is 8890039. The reversal of 8890025 is 5200988.

8890025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8890025 - 216 = 8824489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8889973 and 8890000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4961 + ... + 6510.

It is an arithmetic number, because the mean of its divisors is an integer number (948352).

Almost surely, 28890025 is an apocalyptic number.

It is an amenable number.

8890025 is a deficient number, since it is larger than the sum of its proper divisors (2490199).

8890025 is a wasteful number, since it uses less digits than its factorization.

8890025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512 (or 11507 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 8890025 is about 2981.6144955376. The cubic root of 8890025 is about 207.1576587577.

The spelling of 8890025 in words is "eight million, eight hundred ninety thousand, twenty-five".

Divisors: 1 5 25 31 155 775 11471 57355 286775 355601 1778005 8890025