Search a number
-
+
82790061 = 3103267929
BaseRepresentation
bin1001110111101…
…00011010101101
312202210011121120
410323310122231
5132143240221
612114251153
72023463304
oct473643255
9182704546
1082790061
1142807442
1223886ab9
13141c9303
14add143b
1574055c6
hex4ef46ad

82790061 has 8 divisors (see below), whose sum is σ = 111458880. Its totient is φ = 54657312.

The previous prime is 82790027. The next prime is 82790063. The reversal of 82790061 is 16009728.

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

It is not a de Polignac number, because 82790061 - 26 = 82789997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82790063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133656 + ... + 134273.

It is an arithmetic number, because the mean of its divisors is an integer number (13932360).

Almost surely, 282790061 is an apocalyptic number.

It is an amenable number.

82790061 is a deficient number, since it is larger than the sum of its proper divisors (28668819).

82790061 is a wasteful number, since it uses less digits than its factorization.

82790061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268035.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 82790061 is about 9098.9043845949. The cubic root of 82790061 is about 435.8389780080.

Adding to 82790061 its reverse (16009728), we get a palindrome (98799789).

The spelling of 82790061 in words is "eighty-two million, seven hundred ninety thousand, sixty-one".

Divisors: 1 3 103 309 267929 803787 27596687 82790061