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6702985 = 56121977
BaseRepresentation
bin11001100100011110001001
3110121112202201
4121210132021
53203443420
6355400201
7110655142
oct31443611
913545681
106702985
113869063
1222b3061
131508c83
14c66ac9
158c610a
hex664789

6702985 has 8 divisors (see below), whose sum is σ = 8175816. Its totient is φ = 5274240.

The previous prime is 6702979. The next prime is 6703001. The reversal of 6702985 is 5892076.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 6702921 = 8^2 + 2589^2 .

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

It is not a de Polignac number, because 6702985 - 29 = 6702473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10684 + ... + 11293.

It is an arithmetic number, because the mean of its divisors is an integer number (1021977).

Almost surely, 26702985 is an apocalyptic number.

It is an amenable number.

6702985 is a deficient number, since it is larger than the sum of its proper divisors (1472831).

6702985 is a wasteful number, since it uses less digits than its factorization.

6702985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 6702985 is about 2589.0123599550. The cubic root of 6702985 is about 188.5483556262.

It can be divided in two parts, 670 and 2985, that added together give a triangular number (3655 = T85).

The spelling of 6702985 in words is "six million, seven hundred two thousand, nine hundred eighty-five".

Divisors: 1 5 61 305 21977 109885 1340597 6702985