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25320044 = 2213614651
BaseRepresentation
bin110000010010…
…1101001101100
31202122101120102
41200211221230
522440220134
62302410232
7425134241
oct140455154
952571512
1025320044
1113324362
128590978
135326a99
1435115c8
15235237e
hex1825a6c

25320044 has 12 divisors (see below), whose sum is σ = 44352168. Its totient is φ = 12648000.

The previous prime is 25320041. The next prime is 25320047. The reversal of 25320044 is 44002352.

It is an interprime number because it is at equal distance from previous prime (25320041) and next prime (25320047).

It is a super-2 number, since 2×253200442 = 1282209256323872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25319998 and 25320025.

It is not an unprimeable number, because it can be changed into a prime (25320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119 + ... + 7769.

It is an arithmetic number, because the mean of its divisors is an integer number (3696014).

Almost surely, 225320044 is an apocalyptic number.

It is an amenable number.

25320044 is a deficient number, since it is larger than the sum of its proper divisors (19032124).

25320044 is a wasteful number, since it uses less digits than its factorization.

25320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6014 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25320044 is about 5031.9026222692. The cubic root of 25320044 is about 293.6442393375.

Adding to 25320044 its reverse (44002352), we get a palindrome (69322396).

The spelling of 25320044 in words is "twenty-five million, three hundred twenty thousand, forty-four".

Divisors: 1 2 4 1361 2722 4651 5444 9302 18604 6330011 12660022 25320044