Search a number
-
+
82240630 = 2553155171
BaseRepresentation
bin1001110011011…
…10010001110110
312201202020221021
410321232101312
5132023200010
612054411354
72016014413
oct471562166
9181666837
1082240630
114247166a
1223660b5a
13140661c4
14accb10a
1573478da
hex4e6e476

82240630 has 16 divisors (see below), whose sum is σ = 150827184. Its totient is φ = 32275360.

The previous prime is 82240597. The next prime is 82240637. The reversal of 82240630 is 3604228.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82240595 and 82240604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82240637) 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, 77056 + ... + 78115.

It is an arithmetic number, because the mean of its divisors is an integer number (9426699).

Almost surely, 282240630 is an apocalyptic number.

82240630 is a deficient number, since it is larger than the sum of its proper divisors (68586554).

82240630 is a wasteful number, since it uses less digits than its factorization.

82240630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155231.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 82240630 is about 9068.6619740731. The cubic root of 82240630 is about 434.8726980288.

Adding to 82240630 its reverse (3604228), we get a palindrome (85844858).

The spelling of 82240630 in words is "eighty-two million, two hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 155171 310342 775855 1551710 8224063 16448126 41120315 82240630