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82530824 = 2328136713
BaseRepresentation
bin1001110101101…
…01001000001000
312202022000000012
410322311020020
5132111441244
612104531052
72021333435
oct472651010
9182260005
1082530824
114264a6a2
1223780a88
131413830c
14ad64b8c
1573a389e
hex4eb5208

82530824 has 16 divisors (see below), whose sum is σ = 155300220. Its totient is φ = 41117440.

The previous prime is 82530821. The next prime is 82530829. The reversal of 82530824 is 42803528.

It can be written as a sum of positive squares in 2 ways, for example, as 75864100 + 6666724 = 8710^2 + 2582^2 .

It is a super-2 number, since 2×825308242 = 13622673820237952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82530821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16109 + ... + 20604.

Almost surely, 282530824 is an apocalyptic number.

It is an amenable number.

82530824 is a deficient number, since it is larger than the sum of its proper divisors (72769396).

82530824 is a wasteful number, since it uses less digits than its factorization.

82530824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37000 (or 36996 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 82530824 is about 9084.6477091850. The cubic root of 82530824 is about 435.3835943450.

The spelling of 82530824 in words is "eighty-two million, five hundred thirty thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 281 562 1124 2248 36713 73426 146852 293704 10316353 20632706 41265412 82530824