Search a number
-
+
25126806 = 234187801
BaseRepresentation
bin101111111011…
…0011110010110
31202021120111110
41133312132112
522413024211
62254315450
7423400665
oct137663626
952246443
1025126806
1113202161
1284b8b86
135289b43
1434a0ddc
152314ea6
hex17f6796

25126806 has 8 divisors (see below), whose sum is σ = 50253624. Its totient is φ = 8375600.

The previous prime is 25126763. The next prime is 25126817. The reversal of 25126806 is 60862152.

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

25126806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093895 + ... + 2093906.

It is an arithmetic number, because the mean of its divisors is an integer number (6281703).

Almost surely, 225126806 is an apocalyptic number.

25126806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25126806 is a wasteful number, since it uses less digits than its factorization.

25126806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187806.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25126806 is about 5012.6645608897. The cubic root of 25126806 is about 292.8953176264.

Adding to 25126806 its reverse (60862152), we get a palindrome (85988958).

The spelling of 25126806 in words is "twenty-five million, one hundred twenty-six thousand, eight hundred six".

Divisors: 1 2 3 6 4187801 8375602 12563403 25126806