Search a number
-
+
82812226 = 2729203971
BaseRepresentation
bin1001110111110…
…01110101000010
312202211022000111
410323321311002
5132144442401
612114541534
72023615030
oct473716502
9182738014
1082812226
1142822062
12238978aa
1314206423
14add9550
15740be51
hex4ef9d42

82812226 has 16 divisors (see below), whose sum is σ = 146859840. Its totient is φ = 34266960.

The previous prime is 82812211. The next prime is 82812227. The reversal of 82812226 is 62221828.

It is not an unprimeable number, because it can be changed into a prime (82812227) 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, 101580 + ... + 102391.

It is an arithmetic number, because the mean of its divisors is an integer number (9178740).

Almost surely, 282812226 is an apocalyptic number.

82812226 is a deficient number, since it is larger than the sum of its proper divisors (64047614).

82812226 is a wasteful number, since it uses less digits than its factorization.

82812226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204009.

The product of its digits is 6144, while the sum is 31.

The square root of 82812226 is about 9100.1223068704. The cubic root of 82812226 is about 435.8778695885.

It can be divided in two parts, 82812 and 226, that added together give a palindrome (83038).

The spelling of 82812226 in words is "eighty-two million, eight hundred twelve thousand, two hundred twenty-six".

Divisors: 1 2 7 14 29 58 203 406 203971 407942 1427797 2855594 5915159 11830318 41406113 82812226