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9722825 = 52727937
BaseRepresentation
bin100101000101…
…101111001001
3200021222012122
4211011233021
54442112300
6544221025
7145433300
oct45055711
920258178
109722825
1155409a2
12330a775
132025668
141411437
15cc0c85
hex945bc9

9722825 has 18 divisors (see below), whose sum is σ = 14026446. Its totient is φ = 6666240.

The previous prime is 9722821. The next prime is 9722833. The reversal of 9722825 is 5282279.

9722825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3087049 + 6635776 = 1757^2 + 2576^2 .

It is not a de Polignac number, because 9722825 - 22 = 9722821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 94 + 75 + 22 + 220 + 86 + 223 + 53 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9722821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2744 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (779247).

Almost surely, 29722825 is an apocalyptic number.

It is an amenable number.

9722825 is a deficient number, since it is larger than the sum of its proper divisors (4303621).

9722825 is a wasteful number, since it uses less digits than its factorization.

9722825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961 (or 7949 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 9722825 is about 3118.1444802959. The cubic root of 9722825 is about 213.4342716239.

It can be divided in two parts, 97 and 22825, that added together give a palindrome (22922).

The spelling of 9722825 in words is "nine million, seven hundred twenty-two thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 7937 39685 55559 198425 277795 388913 1388975 1944565 9722825