Search a number
-
+
8689036225 = 5210321812
BaseRepresentation
bin10000001011110100…
…00010101111000001
3211102112221202220111
420011322002233001
5120243343124400
63554112111321
7425215406062
oct100572025701
924375852814
108689036225
113759809581
121825b35541
13a8621406c
145c5dca569
1535cc543ba
hex205e82bc1

8689036225 has 27 divisors (see below), whose sum is σ = 10940469129. Its totient is φ = 6845709600.

The previous prime is 8689036211. The next prime is 8689036241. The reversal of 8689036225 is 5226309868.

The square root of 8689036225 is 93215.

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 4663387521 + 4025648704 = 68289^2 + 63448^2 .

It is not a de Polignac number, because 8689036225 - 25 = 8689036193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 48005635 + ... + 48005815.

Almost surely, 28689036225 is an apocalyptic number.

8689036225 is the 93215-th square number.

8689036225 is the 46608-th centered octagonal number.

It is an amenable number.

8689036225 is a deficient number, since it is larger than the sum of its proper divisors (2251432904).

8689036225 is an equidigital number, since it uses as much as digits as its factorization.

8689036225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The cubic root of 8689036225 is about 2055.8457949096.

Multiplying 8689036225 by its sum of digits (49), we get a square (425762775025 = 6525052).

The spelling of 8689036225 in words is "eight billion, six hundred eighty-nine million, thirty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 103 181 515 905 2575 4525 10609 18643 32761 53045 93215 163805 265225 466075 819025 1920229 3374383 9601145 16871915 48005725 84359575 347561449 1737807245 8689036225