Search a number
-
+
82120148 = 22111866367
BaseRepresentation
bin1001110010100…
…00110111010100
312201112010122222
410321100313110
5132010321043
612052041512
72015003225
oct471206724
9181463588
1082120148
114239a0a0
1223603298
1314023406
14ac9924c
157321d68
hex4e50dd4

82120148 has 12 divisors (see below), whose sum is σ = 156774912. Its totient is φ = 37327320.

The previous prime is 82120127. The next prime is 82120163. The reversal of 82120148 is 84102128.

It is a congruent number.

It is an unprimeable number.

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, 933140 + ... + 933227.

It is an arithmetic number, because the mean of its divisors is an integer number (13064576).

Almost surely, 282120148 is an apocalyptic number.

It is an amenable number.

82120148 is a deficient number, since it is larger than the sum of its proper divisors (74654764).

82120148 is a wasteful number, since it uses less digits than its factorization.

82120148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866382 (or 1866380 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 82120148 is about 9062.0167733237. The cubic root of 82120148 is about 434.6602323289.

The spelling of 82120148 in words is "eighty-two million, one hundred twenty thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 1866367 3732734 7465468 20530037 41060074 82120148