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3641125 = 5329129
BaseRepresentation
bin1101111000111100100101
320211222200111
431320330211
51413004000
6210013021
742643345
oct15707445
96758614
103641125
1120676a4
121277171
139a6417
146aad25
154bdcba
hex378f25

3641125 has 8 divisors (see below), whose sum is σ = 4544280. Its totient is φ = 2912800.

The previous prime is 3641123. The next prime is 3641147. The reversal of 3641125 is 5211463.

It can be written as a sum of positive squares in 4 ways, for example, as 408321 + 3232804 = 639^2 + 1798^2 .

It is not a de Polignac number, because 3641125 - 21 = 3641123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3641096 and 3641105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14440 + ... + 14689.

It is an arithmetic number, because the mean of its divisors is an integer number (568035).

Almost surely, 23641125 is an apocalyptic number.

It is an amenable number.

3641125 is a deficient number, since it is larger than the sum of its proper divisors (903155).

3641125 is an equidigital number, since it uses as much as digits as its factorization.

3641125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29144 (or 29134 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 3641125 is about 1908.1732101673. The cubic root of 3641125 is about 153.8432795937.

Adding to 3641125 its reverse (5211463), we get a palindrome (8852588).

The spelling of 3641125 in words is "three million, six hundred forty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 29129 145645 728225 3641125