Search a number
-
+
82831330 = 2543192631
BaseRepresentation
bin1001110111111…
…10011111100010
312202212021020001
410323332133202
5132201100310
612115210214
72024024521
oct473763742
9182767201
1082831330
114283544a
12238a696a
131421202a
14b0024b8
15741293a
hex4efe7e2

82831330 has 16 divisors (see below), whose sum is σ = 152564544. Its totient is φ = 32361840.

The previous prime is 82831291. The next prime is 82831367. The reversal of 82831330 is 3313828.

It is a super-2 number, since 2×828313302 = 13722058459137800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95886 + ... + 96745.

It is an arithmetic number, because the mean of its divisors is an integer number (9535284).

Almost surely, 282831330 is an apocalyptic number.

82831330 is a deficient number, since it is larger than the sum of its proper divisors (69733214).

82831330 is a wasteful number, since it uses less digits than its factorization.

82831330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192681.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 82831330 is about 9101.1719025629. The cubic root of 82831330 is about 435.9113846502.

The spelling of 82831330 in words is "eighty-two million, eight hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 192631 385262 963155 1926310 8283133 16566266 41415665 82831330