Search a number
-
+
82766752 = 2561109389
BaseRepresentation
bin1001110111011…
…10101110100000
312202201222122021
410323232232200
5132142014002
612113551224
72023335325
oct473565640
9182658567
1082766752
11427a0982
1223875514
13141bb813
14adc6b4c
1573ed737
hex4eeeba0

82766752 has 48 divisors (see below), whose sum is σ = 167567400. Its totient is φ = 40227840.

The previous prime is 82766713. The next prime is 82766753. The reversal of 82766752 is 25766728.

It can be written as a sum of positive squares in 4 ways, for example, as 45751696 + 37015056 = 6764^2 + 6084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82766699 and 82766708.

It is not an unprimeable number, because it can be changed into a prime (82766753) 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, 212574 + ... + 212962.

Almost surely, 282766752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82766752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83783700).

82766752 is an abundant number, since it is smaller than the sum of its proper divisors (84800648).

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

82766752 is a wasteful number, since it uses less digits than its factorization.

82766752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 561 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 82766752 is about 9097.6234259283. The cubic root of 82766752 is about 435.7980716313.

The spelling of 82766752 in words is "eighty-two million, seven hundred sixty-six thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 61 109 122 218 244 389 436 488 778 872 976 1556 1744 1952 3112 3488 6224 6649 12448 13298 23729 26596 42401 47458 53192 84802 94916 106384 169604 189832 212768 339208 379664 678416 759328 1356832 2586461 5172922 10345844 20691688 41383376 82766752