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102528438 = 2317088073
BaseRepresentation
bin1100001110001…
…11010110110110
321010220222120120
412013013112312
5202221402223
614101312410
72353322505
oct607072666
9233828516
10102528438
1152969151
122a405706
131831a61c
14d88c83c
159003be3
hex61c75b6

102528438 has 8 divisors (see below), whose sum is σ = 205056888. Its totient is φ = 34176144.

The previous prime is 102528431. The next prime is 102528509. The reversal of 102528438 is 834825201.

It is a sphenic number, since it is the product of 3 distinct primes.

102528438 is an admirable number.

It is a super-3 number, since 3×1025284383 (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102528399 and 102528408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102528431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8544031 + ... + 8544042.

It is an arithmetic number, because the mean of its divisors is an integer number (25632111).

Almost surely, 2102528438 is an apocalyptic number.

102528438 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.

102528438 is a wasteful number, since it uses less digits than its factorization.

102528438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088078.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 102528438 is about 10125.6327209711. The cubic root of 102528438 is about 468.0383579489.

The spelling of 102528438 in words is "one hundred two million, five hundred twenty-eight thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 17088073 34176146 51264219 102528438