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85126765 = 517025353
BaseRepresentation
bin1010001001011…
…10111001101101
312221011212222011
411010232321231
5133243024030
612240321221
72052364663
oct504567155
9187155864
1085126765
1144062aa9
1224613211
1314836a89
14b43cc33
157717b2a
hex512ee6d

85126765 has 4 divisors (see below), whose sum is σ = 102152124. Its totient is φ = 68101408.

The previous prime is 85126759. The next prime is 85126787. The reversal of 85126765 is 56762158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 76090729 = 3006^2 + 8723^2 .

It is a cyclic number.

It is not a de Polignac number, because 85126765 - 23 = 85126757 is a prime.

It is a super-2 number, since 2×851267652 = 14493132238730450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8512672 + ... + 8512681.

It is an arithmetic number, because the mean of its divisors is an integer number (25538031).

Almost surely, 285126765 is an apocalyptic number.

It is an amenable number.

85126765 is a deficient number, since it is larger than the sum of its proper divisors (17025359).

85126765 is a wasteful number, since it uses less digits than its factorization.

85126765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025358.

The product of its digits is 100800, while the sum is 40.

The square root of 85126765 is about 9226.4166933864. The cubic root of 85126765 is about 439.9014328108.

The spelling of 85126765 in words is "eighty-five million, one hundred twenty-six thousand, seven hundred sixty-five".

Divisors: 1 5 17025353 85126765