Search a number
-
+
9641025 = 3652232
BaseRepresentation
bin100100110001…
…110001000001
3200010211000000
4210301301001
54432003100
6542350213
7144642642
oct44616101
920124000
109641025
115495499
12328b369
131cc7364
1413cd6c9
15ca6900
hex931c41

9641025 has 63 divisors (see below), whose sum is σ = 18737299. Its totient is φ = 4918320.

The previous prime is 9641017. The next prime is 9641029. The reversal of 9641025 is 5201469.

The square root of 9641025 is 3105.

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

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 6170256 = 1863^2 + 2484^2 .

It is not a de Polignac number, because 9641025 - 23 = 9641017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9641025.

It is not an unprimeable number, because it can be changed into a prime (9641029) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 419164 + ... + 419186.

Almost surely, 29641025 is an apocalyptic number.

9641025 is the 3105-th square number.

9641025 is the 1553-rd centered octagonal number.

It is an amenable number.

9641025 is a deficient number, since it is larger than the sum of its proper divisors (9096274).

9641025 is an equidigital number, since it uses as much as digits as its factorization.

9641025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The cubic root of 9641025 is about 212.8340305993.

The spelling of 9641025 in words is "nine million, six hundred forty-one thousand, twenty-five".

Divisors: 1 3 5 9 15 23 25 27 45 69 75 81 115 135 207 225 243 345 405 529 575 621 675 729 1035 1215 1587 1725 1863 2025 2645 3105 3645 4761 5175 5589 6075 7935 9315 13225 14283 15525 16767 18225 23805 27945 39675 42849 46575 71415 83835 119025 128547 139725 214245 357075 385641 419175 642735 1071225 1928205 3213675 9641025