Search a number
-
+
82088371 = 611345711
BaseRepresentation
bin1001110010010…
…01000110110011
312201110112002001
410321021012303
5132003311441
612051234431
72014511461
oct471110663
9181415061
1082088371
1142378232
12235a8a17
1314011b01
14ac8b831
157317731
hex4e491b3

82088371 has 4 divisors (see below), whose sum is σ = 83434144. Its totient is φ = 80742600.

The previous prime is 82088353. The next prime is 82088381. The reversal of 82088371 is 17388028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82088371 - 27 = 82088243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82088371.

It is not an unprimeable number, because it can be changed into a prime (82088351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672795 + ... + 672916.

It is an arithmetic number, because the mean of its divisors is an integer number (20858536).

Almost surely, 282088371 is an apocalyptic number.

82088371 is a deficient number, since it is larger than the sum of its proper divisors (1345773).

82088371 is a wasteful number, since it uses less digits than its factorization.

82088371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345772.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 82088371 is about 9060.2632963949. The cubic root of 82088371 is about 434.6041600961.

The spelling of 82088371 in words is "eighty-two million, eighty-eight thousand, three hundred seventy-one".

Divisors: 1 61 1345711 82088371