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85127510 = 2513654827
BaseRepresentation
bin1010001001011…
…11000101010110
312221011220222202
411010233011112
5133243040020
612240324502
72052400106
oct504570526
9187156882
1085127510
1144063616
1224613732
1314837210
14b43d206
157717e75
hex512f156

85127510 has 16 divisors (see below), whose sum is σ = 165016656. Its totient is φ = 31431648.

The previous prime is 85127507. The next prime is 85127527. The reversal of 85127510 is 1572158.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 327284 + ... + 327543.

It is an arithmetic number, because the mean of its divisors is an integer number (10313541).

Almost surely, 285127510 is an apocalyptic number.

85127510 is a deficient number, since it is larger than the sum of its proper divisors (79889146).

85127510 is a wasteful number, since it uses less digits than its factorization.

85127510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654847.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 85127510 is about 9226.4570665017. The cubic root of 85127510 is about 439.9027160954.

Adding to 85127510 its reverse (1572158), we get a palindrome (86699668).

The spelling of 85127510 in words is "eighty-five million, one hundred twenty-seven thousand, five hundred ten".

Divisors: 1 2 5 10 13 26 65 130 654827 1309654 3274135 6548270 8512751 17025502 42563755 85127510