Search a number
-
+
25125026 = 212562513
BaseRepresentation
bin101111111011…
…0000010100010
31202021111001112
41133312002202
522413000101
62254303322
7423362543
oct137660242
952244045
1025125026
1113200893
1284b7b42
1352890a4
1434a04ca
1523146bb
hex17f60a2

25125026 has 4 divisors (see below), whose sum is σ = 37687542. Its totient is φ = 12562512.

The previous prime is 25125019. The next prime is 25125059. The reversal of 25125026 is 62052152.

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

It can be written as a sum of positive squares in only one way, i.e., 16801801 + 8323225 = 4099^2 + 2885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25124992 and 25125010.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6281255 + ... + 6281258.

Almost surely, 225125026 is an apocalyptic number.

25125026 is a deficient number, since it is larger than the sum of its proper divisors (12562516).

25125026 is a wasteful number, since it uses less digits than its factorization.

25125026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562515.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25125026 is about 5012.4870074645. The cubic root of 25125026 is about 292.8884011620. Note that the first 3 decimals are identical.

Adding to 25125026 its reverse (62052152), we get a palindrome (87177178).

The spelling of 25125026 in words is "twenty-five million, one hundred twenty-five thousand, twenty-six".

Divisors: 1 2 12562513 25125026