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82382464 = 27798147
BaseRepresentation
bin1001110100100…
…00111010000000
312202000110111101
410322100322000
5132042214324
612101424144
72020145053
oct472207200
9182013441
1082382464
114255918a
122370b054
13140b5928
14ad26a9a
157374944
hex4e90e80

82382464 has 32 divisors (see below), whose sum is σ = 166219200. Its totient is φ = 40664832.

The previous prime is 82382449. The next prime is 82382473. The reversal of 82382464 is 46428328.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×823824642 = 13573740749422592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6039 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (5194350).

Almost surely, 282382464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82382464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83109600).

82382464 is an abundant number, since it is smaller than the sum of its proper divisors (83836736).

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

82382464 is an equidigital number, since it uses as much as digits as its factorization.

82382464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240 (or 8228 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 82382464 is about 9076.4786123254. The cubic root of 82382464 is about 435.1225514573.

The spelling of 82382464 in words is "eighty-two million, three hundred eighty-two thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 79 128 158 316 632 1264 2528 5056 8147 10112 16294 32588 65176 130352 260704 521408 643613 1042816 1287226 2574452 5148904 10297808 20595616 41191232 82382464