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25320301 = 229110569
BaseRepresentation
bin110000010010…
…1101101101101
31202122101220221
41200211231231
522440222201
62302411341
7425135056
oct140455555
952571827
1025320301
1113324576
128590b51
135326c36
14351172d
1523524a1
hex1825b6d

25320301 has 4 divisors (see below), whose sum is σ = 25431100. Its totient is φ = 25209504.

The previous prime is 25320289. The next prime is 25320311. The reversal of 25320301 is 10302352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19802500 + 5517801 = 4450^2 + 2349^2 .

It is a cyclic number.

It is not a de Polignac number, because 25320301 - 213 = 25312109 is a prime.

It is a super-2 number, since 2×253203012 = 1282235285461202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320311) 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 3 ways as a sum of consecutive naturals, for example, 55056 + ... + 55513.

It is an arithmetic number, because the mean of its divisors is an integer number (6357775).

Almost surely, 225320301 is an apocalyptic number.

It is an amenable number.

25320301 is a deficient number, since it is larger than the sum of its proper divisors (110799).

25320301 is a wasteful number, since it uses less digits than its factorization.

25320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110798.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25320301 is about 5031.9281592646. The cubic root of 25320301 is about 293.6452328365.

Adding to 25320301 its reverse (10302352), we get a palindrome (35622653).

The spelling of 25320301 in words is "twenty-five million, three hundred twenty thousand, three hundred one".

Divisors: 1 229 110569 25320301