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82411428 = 22311624329
BaseRepresentation
bin1001110100101…
…11111110100100
312202001221020010
410322113332210
5132044131203
612102210220
72020325361
oct472277644
9182057203
1082411428
1142578a20
1223723970
13140c5b78
14ad33468
15737d303
hex4e97fa4

82411428 has 24 divisors (see below), whose sum is σ = 209774880. Its totient is φ = 24973120.

The previous prime is 82411409. The next prime is 82411429.

82411428 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 82411395 and 82411404.

It is not an unprimeable number, because it can be changed into a prime (82411429) 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, 312033 + ... + 312296.

It is an arithmetic number, because the mean of its divisors is an integer number (8740620).

Almost surely, 282411428 is an apocalyptic number.

It is an amenable number.

82411428 is an abundant number, since it is smaller than the sum of its proper divisors (127363452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82411428 is a wasteful number, since it uses less digits than its factorization.

82411428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624347 (or 624345 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 82411428 is about 9078.0740248139. The cubic root of 82411428 is about 435.1735388976.

It can be divided in two parts, 8241 and 1428, that added together give a palindrome (9669).

The spelling of 82411428 in words is "eighty-two million, four hundred eleven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 624329 1248658 1872987 2497316 3745974 6867619 7491948 13735238 20602857 27470476 41205714 82411428