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25320607 = 131979887
BaseRepresentation
bin110000010010…
…1110010011111
31202122102100021
41200211302133
522440224412
62302413011
7425136004
oct140456237
952572307
1025320607
1113324824
128591167
135327110
1435118ab
152352607
hex1825c9f

25320607 has 8 divisors (see below), whose sum is σ = 27409536. Its totient is φ = 23251872.

The previous prime is 25320601. The next prime is 25320619. The reversal of 25320607 is 70602352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320607 - 27 = 25320479 is a prime.

It is a super-2 number, since 2×253206072 = 1282266277696898, 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 (25320601) 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, 2383 + ... + 7504.

It is an arithmetic number, because the mean of its divisors is an integer number (3426192).

Almost surely, 225320607 is an apocalyptic number.

25320607 is a deficient number, since it is larger than the sum of its proper divisors (2088929).

25320607 is a wasteful number, since it uses less digits than its factorization.

25320607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 25320607 is about 5031.9585650122. The cubic root of 25320607 is about 293.6464157487.

Adding to 25320607 its reverse (70602352), we get a palindrome (95922959).

The spelling of 25320607 in words is "twenty-five million, three hundred twenty thousand, six hundred seven".

Divisors: 1 13 197 2561 9887 128531 1947739 25320607