Search a number
-
+
82227230 = 2571179647
BaseRepresentation
bin1001110011010…
…11000000011110
312201201120112222
410321223000132
5132022232410
612054225342
72015630351
oct471530036
9181646488
1082227230
1142462598
1223655252
1314060087
14acc6298
157343955
hex4e6b01e

82227230 has 32 divisors (see below), whose sum is σ = 151165440. Its totient is φ = 32196640.

The previous prime is 82227217. The next prime is 82227239. The reversal of 82227230 is 3272228.

It is a super-2 number, since 2×822272302 = 13522634706945800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82227230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82227239) 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 15 ways as a sum of consecutive naturals, for example, 126767 + ... + 127413.

It is an arithmetic number, because the mean of its divisors is an integer number (4723920).

Almost surely, 282227230 is an apocalyptic number.

82227230 is a deficient number, since it is larger than the sum of its proper divisors (68938210).

82227230 is a wasteful number, since it uses less digits than its factorization.

82227230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 82227230 is about 9067.9231359777. The cubic root of 82227230 is about 434.8490778682.

Adding to 82227230 its reverse (3272228), we get a palindrome (85499458).

The spelling of 82227230 in words is "eighty-two million, two hundred twenty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 71 142 179 355 358 647 710 895 1294 1790 3235 6470 12709 25418 45937 63545 91874 115813 127090 229685 231626 459370 579065 1158130 8222723 16445446 41113615 82227230