Search a number
-
+
82750938 = 2313791823
BaseRepresentation
bin1001110111010…
…10110111011010
312202201011221120
410323222313122
5132141012223
612113350110
72023241244
oct473526732
9182634846
1082750938
1142790006
1223868336
13141b456a
14adc1094
1573e8be3
hex4eeadda

82750938 has 8 divisors (see below), whose sum is σ = 165501888. Its totient is φ = 27583644.

The previous prime is 82750937. The next prime is 82750961. The reversal of 82750938 is 83905728.

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

82750938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 82750938.

It is not an unprimeable number, because it can be changed into a prime (82750931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6895906 + ... + 6895917.

It is an arithmetic number, because the mean of its divisors is an integer number (20687736).

Almost surely, 282750938 is an apocalyptic number.

82750938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82750938 is a wasteful number, since it uses less digits than its factorization.

82750938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791828.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 82750938 is about 9096.7542563268. The cubic root of 82750938 is about 435.7703143112.

The spelling of 82750938 in words is "eighty-two million, seven hundred fifty thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 13791823 27583646 41375469 82750938