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82304572 = 2272939449
BaseRepresentation
bin1001110011111…
…01111000111100
312201212111122111
410321331320330
5132032221242
612100023404
72016402010
oct471757074
9181774574
1082304572
1142505709
1223691b64
131408933c
14ad06540
15735b817
hex4e7de3c

82304572 has 12 divisors (see below), whose sum is σ = 164609200. Its totient is φ = 35273376.

The previous prime is 82304533. The next prime is 82304627. The reversal of 82304572 is 27540328.

82304572 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469697 + ... + 1469752.

Almost surely, 282304572 is an apocalyptic number.

It is an amenable number.

82304572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82304572 is a wasteful number, since it uses less digits than its factorization.

82304572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939460 (or 2939458 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 82304572 is about 9072.1867264734. The cubic root of 82304572 is about 434.9853731815.

The spelling of 82304572 in words is "eighty-two million, three hundred four thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 2939449 5878898 11757796 20576143 41152286 82304572