Search a number
-
+
25166065 = 516730139
BaseRepresentation
bin110000000000…
…0000011110001
31202100120100111
41200000003301
522420303230
62255221321
7423623311
oct140000361
952316314
1025166065
1113229701
128517841
1352a1982
1434b1441
15232192a
hex18000f1

25166065 has 8 divisors (see below), whose sum is σ = 30381120. Its totient is φ = 20011632.

The previous prime is 25166033. The next prime is 25166077. The reversal of 25166065 is 56066152.

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

It is a cyclic number.

It is not a de Polignac number, because 25166065 - 25 = 25166033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14235 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (3797640).

Almost surely, 225166065 is an apocalyptic number.

It is an amenable number.

25166065 is a deficient number, since it is larger than the sum of its proper divisors (5215055).

25166065 is a wasteful number, since it uses less digits than its factorization.

25166065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30311.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 25166065 is about 5016.5790136307. The cubic root of 25166065 is about 293.0477815430.

The spelling of 25166065 in words is "twenty-five million, one hundred sixty-six thousand, sixty-five".

Divisors: 1 5 167 835 30139 150695 5033213 25166065