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82828572 = 2236902381
BaseRepresentation
bin1001110111111…
…01110100011100
312202212010102220
410323331310130
5132201003242
612115145340
72024013501
oct473756434
9182763386
1082828572
1142833372
12238a5250
13142109b8
14b0014a8
157411bec
hex4efdd1c

82828572 has 12 divisors (see below), whose sum is σ = 193266696. Its totient is φ = 27609520.

The previous prime is 82828547. The next prime is 82828609. The reversal of 82828572 is 27582828.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3451179 + ... + 3451202.

It is an arithmetic number, because the mean of its divisors is an integer number (16105558).

Almost surely, 282828572 is an apocalyptic number.

It is an amenable number.

82828572 is an abundant number, since it is smaller than the sum of its proper divisors (110438124).

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

82828572 is a wasteful number, since it uses less digits than its factorization.

82828572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902388 (or 6902386 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 82828572 is about 9101.0203823527. The cubic root of 82828572 is about 435.9065464771.

The spelling of 82828572 in words is "eighty-two million, eight hundred twenty-eight thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 6902381 13804762 20707143 27609524 41414286 82828572