Search a number
-
+
82126850 = 25213126349
BaseRepresentation
bin1001110010100…
…10100000000010
312201112110212012
410321102200002
5132011024400
612052132522
72015031611
oct471224002
9181473765
1082126850
11423a4133
1223607142
1314026490
14ac9b878
157323d35
hex4e52802

82126850 has 24 divisors (see below), whose sum is σ = 164507700. Its totient is φ = 30323520.

The previous prime is 82126841. The next prime is 82126867. The reversal of 82126850 is 5862128.

It can be written as a sum of positive squares in 6 ways, for example, as 41460721 + 40666129 = 6439^2 + 6377^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62525 + ... + 63824.

Almost surely, 282126850 is an apocalyptic number.

82126850 is an abundant number, since it is smaller than the sum of its proper divisors (82380850).

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

82126850 is a wasteful number, since it uses less digits than its factorization.

82126850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126374 (or 126369 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82126850 is about 9062.3865510140. The cubic root of 82126850 is about 434.6720565227.

Adding to 82126850 its reverse (5862128), we get a palindrome (87988978).

The spelling of 82126850 in words is "eighty-two million, one hundred twenty-six thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 126349 252698 631745 1263490 1642537 3158725 3285074 6317450 8212685 16425370 41063425 82126850