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85490485 = 517098097
BaseRepresentation
bin1010001100001…
…11101100110101
312221212100220021
411012013230311
5133341143420
612252205141
72055441253
oct506075465
9187770807
1085490485
11442912a3
12247697b1
13149334b2
14b4d55d3
15778a7aa
hex5187b35

85490485 has 4 divisors (see below), whose sum is σ = 102588588. Its totient is φ = 68392384.

The previous prime is 85490477. The next prime is 85490507. The reversal of 85490485 is 58409458.

It is a happy number.

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 26646244 + 58844241 = 5162^2 + 7671^2 .

It is a cyclic number.

It is not a de Polignac number, because 85490485 - 23 = 85490477 is a prime.

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, 8549044 + ... + 8549053.

It is an arithmetic number, because the mean of its divisors is an integer number (25647147).

Almost surely, 285490485 is an apocalyptic number.

It is an amenable number.

85490485 is a deficient number, since it is larger than the sum of its proper divisors (17098103).

85490485 is a wasteful number, since it uses less digits than its factorization.

85490485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098102.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 85490485 is about 9246.1064778641. The cubic root of 85490485 is about 440.5270629541.

The spelling of 85490485 in words is "eighty-five million, four hundred ninety thousand, four hundred eighty-five".

Divisors: 1 5 17098097 85490485