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25225733 = 1323239353
BaseRepresentation
bin110000000111…
…0101000000101
31202110121012102
41200032220011
522424210413
62300401445
7424262261
oct140165005
952417172
1025225733
111326a515
128546285
1352c2b90
1434c90a1
152334458
hex180ea05

25225733 has 16 divisors (see below), whose sum is σ = 28546560. Its totient is φ = 22116864.

The previous prime is 25225709. The next prime is 25225741. The reversal of 25225733 is 33752252.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25225733 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25225696 and 25225705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71285 + ... + 71637.

It is an arithmetic number, because the mean of its divisors is an integer number (1784160).

Almost surely, 225225733 is an apocalyptic number.

25225733 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25225733 is a deficient number, since it is larger than the sum of its proper divisors (3320827).

25225733 is a wasteful number, since it uses less digits than its factorization.

25225733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its digits is 12600, while the sum is 29.

The square root of 25225733 is about 5022.5225733689. The cubic root of 25225733 is about 293.2792013001.

Adding to 25225733 its reverse (33752252), we get a palindrome (58977985).

The spelling of 25225733 in words is "twenty-five million, two hundred twenty-five thousand, seven hundred thirty-three".

Divisors: 1 13 23 239 299 353 3107 4589 5497 8119 71461 84367 105547 1096771 1940441 25225733