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528812642 = 217236710093
BaseRepresentation
bin11111100001010…
…000101001100010
31100212001110120102
4133201100221202
52040334001032
6124250142402
716050555551
oct3741205142
91325043512
10528812642
11251556846
12129121a02
13857327b7
1450335d98
153165a362
hex1f850a62

528812642 has 32 divisors (see below), whose sum is σ = 889564032. Its totient is φ = 234457344.

The previous prime is 528812623. The next prime is 528812689. The reversal of 528812642 is 246218825.

It is a junction number, because it is equal to n+sod(n) for n = 528812596 and 528812605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47348 + ... + 57440.

It is an arithmetic number, because the mean of its divisors is an integer number (27798876).

Almost surely, 2528812642 is an apocalyptic number.

528812642 is a deficient number, since it is larger than the sum of its proper divisors (360751390).

528812642 is a wasteful number, since it uses less digits than its factorization.

528812642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202.

The product of its digits is 61440, while the sum is 38.

The square root of 528812642 is about 22995.9266392985. The cubic root of 528812642 is about 808.6624483131.

The spelling of 528812642 in words is "five hundred twenty-eight million, eight hundred twelve thousand, six hundred forty-two".

Divisors: 1 2 17 23 34 46 67 134 391 782 1139 1541 2278 3082 10093 20186 26197 52394 171581 232139 343162 464278 676231 1352462 3946363 7892726 11495927 15553313 22991854 31106626 264406321 528812642