Search a number
-
+
82006625 = 533121163
BaseRepresentation
bin1001110001101…
…01001001100001
312201022100221102
410320311021201
5131443203000
612045404145
72014021241
oct470651141
9181270842
1082006625
1142321878
1223569655
1313cb383c
14ac69b21
1572ed3d5
hex4e35261

82006625 has 16 divisors (see below), whose sum is σ = 105650688. Its totient is φ = 63486000.

The previous prime is 82006621. The next prime is 82006649. The reversal of 82006625 is 52660028.

It is not a de Polignac number, because 82006625 - 22 = 82006621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82006621) 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, 6707 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (6603168).

Almost surely, 282006625 is an apocalyptic number.

It is an amenable number.

82006625 is a deficient number, since it is larger than the sum of its proper divisors (23644063).

82006625 is a wasteful number, since it uses less digits than its factorization.

82006625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21209 (or 21199 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 82006625 is about 9055.7509351793. The cubic root of 82006625 is about 434.4598483390.

The spelling of 82006625 in words is "eighty-two million, six thousand, six hundred twenty-five".

Divisors: 1 5 25 31 125 155 775 3875 21163 105815 529075 656053 2645375 3280265 16401325 82006625