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25225626 = 238997487
BaseRepresentation
bin110000000111…
…0100110011010
31202110121001110
41200032212122
522424210001
62300401150
7424262046
oct140164632
952417043
1025225626
111326a428
1285461b6
1352c2b0a
1434c9026
1523343d6
hex180e99a

25225626 has 32 divisors (see below), whose sum is σ = 51649920. Its totient is φ = 8211456.

The previous prime is 25225583. The next prime is 25225633. The reversal of 25225626 is 62652252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25225593 and 25225602.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51555 + ... + 52041.

It is an arithmetic number, because the mean of its divisors is an integer number (1614060).

Almost surely, 225225626 is an apocalyptic number.

25225626 is an abundant number, since it is smaller than the sum of its proper divisors (26424294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25225626 is a wasteful number, since it uses less digits than its factorization.

25225626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 14400, while the sum is 30.

The square root of 25225626 is about 5022.5119213398. The cubic root of 25225626 is about 293.2787866320.

Adding to 25225626 its reverse (62652252), we get a palindrome (87877878).

It can be divided in two parts, 252 and 25626, that added together give a triangular number (25878 = T227).

The spelling of 25225626 in words is "twenty-five million, two hundred twenty-five thousand, six hundred twenty-six".

Divisors: 1 2 3 6 89 97 178 194 267 291 487 534 582 974 1461 2922 8633 17266 25899 43343 47239 51798 86686 94478 130029 141717 260058 283434 4204271 8408542 12612813 25225626