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25300223 = 131946171
BaseRepresentation
bin110000010000…
…0110011111111
31202121101101022
41200200303333
522434101343
62302134355
7425022404
oct140406377
952541338
1025300223
1113310483
1285813bb
13531aa60
1435082ab
15234b568
hex1820cff

25300223 has 4 divisors (see below), whose sum is σ = 27246408. Its totient is φ = 23354040.

The previous prime is 25300189. The next prime is 25300237. The reversal of 25300223 is 32200352.

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

It is a cyclic number.

It is not a de Polignac number, because 25300223 - 26 = 25300159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25300243) 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, 973073 + ... + 973098.

It is an arithmetic number, because the mean of its divisors is an integer number (6811602).

Almost surely, 225300223 is an apocalyptic number.

25300223 is a deficient number, since it is larger than the sum of its proper divisors (1946185).

25300223 is a wasteful number, since it uses less digits than its factorization.

25300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946184.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 25300223 is about 5029.9327033272. The cubic root of 25300223 is about 293.5675959493.

Adding to 25300223 its reverse (32200352), we get a palindrome (57500575).

The spelling of 25300223 in words is "twenty-five million, three hundred thousand, two hundred twenty-three".

Divisors: 1 13 1946171 25300223