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860485 = 5172097
BaseRepresentation
bin11010010000101000101
31121201100211
43102011011
5210013420
630235421
710212463
oct3220505
91551324
10860485
1153854a
12355b71
13241882
14185833
1511ee5a
hexd2145

860485 has 4 divisors (see below), whose sum is σ = 1032588. Its totient is φ = 688384.

The previous prime is 860479. The next prime is 860501. The reversal of 860485 is 584068.

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 279841 + 580644 = 529^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 860485 - 27 = 860357 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 86044 + ... + 86053.

It is an arithmetic number, because the mean of its divisors is an integer number (258147).

2860485 is an apocalyptic number.

It is an amenable number.

860485 is a deficient number, since it is larger than the sum of its proper divisors (172103).

860485 is a wasteful number, since it uses less digits than its factorization.

860485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172102.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 860485 is about 927.6233071673. The cubic root of 860485 is about 95.1147275053.

The spelling of 860485 in words is "eight hundred sixty thousand, four hundred eighty-five".

Divisors: 1 5 172097 860485