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82818308 = 22232293931
BaseRepresentation
bin1001110111110…
…11010100000100
312202211121100202
410323323110010
5132200141213
612115030032
72023641536
oct473732404
9182747322
1082818308
1142826691
122389b318
1314209121
14addb856
15740db58
hex4efb504

82818308 has 24 divisors (see below), whose sum is σ = 151932480. Its totient is φ = 39425760.

The previous prime is 82818299. The next prime is 82818311. The reversal of 82818308 is 80381828.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19103 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (6330520).

Almost surely, 282818308 is an apocalyptic number.

It is an amenable number.

82818308 is a deficient number, since it is larger than the sum of its proper divisors (69114172).

82818308 is a wasteful number, since it uses less digits than its factorization.

82818308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 82818308 is about 9100.4564720678. The cubic root of 82818308 is about 435.8885400915. Note that the first 3 decimals are identical.

The spelling of 82818308 in words is "eighty-two million, eight hundred eighteen thousand, three hundred eight".

Divisors: 1 2 4 23 46 92 229 458 916 3931 5267 7862 10534 15724 21068 90413 180826 361652 900199 1800398 3600796 20704577 41409154 82818308