Search a number
-
+
82082590 = 2530726737
BaseRepresentation
bin1001110010001…
…11101100011110
312201110020010221
410321013230132
5132003120330
612051151554
72014455562
oct471075436
9181406127
1082082590
1142373957
12235a55ba
131400c2a5
14ac896a2
157315b7a
hex4e47b1e

82082590 has 16 divisors (see below), whose sum is σ = 148235472. Its totient is φ = 32724864.

The previous prime is 82082573. The next prime is 82082597. The reversal of 82082590 is 9528028.

It is a super-2 number, since 2×820825902 = 13475103162216200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82082597) 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, 10299 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (9264717).

Almost surely, 282082590 is an apocalyptic number.

82082590 is a deficient number, since it is larger than the sum of its proper divisors (66152882).

82082590 is a wasteful number, since it uses less digits than its factorization.

82082590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27051.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 82082590 is about 9059.9442603142. The cubic root of 82082590 is about 434.5939576537.

The spelling of 82082590 in words is "eighty-two million, eighty-two thousand, five hundred ninety".

Divisors: 1 2 5 10 307 614 1535 3070 26737 53474 133685 267370 8208259 16416518 41041295 82082590