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6670285 = 51334057
BaseRepresentation
bin11001011100011111001101
3110112212220121
4121130133031
53201422120
6354544541
7110460616
oct31343715
913485817
106670285
113846536
122298151
1314c711b
14c58c0d
158bb5aa
hex65c7cd

6670285 has 4 divisors (see below), whose sum is σ = 8004348. Its totient is φ = 5336224.

The previous prime is 6670271. The next prime is 6670291. The reversal of 6670285 is 5820766.

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 2064969 + 4605316 = 1437^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 6670285 - 211 = 6668237 is a prime.

It is an Ulam number.

It is a Duffinian number.

6670285 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6670285.

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, 667024 + ... + 667033.

It is an arithmetic number, because the mean of its divisors is an integer number (2001087).

Almost surely, 26670285 is an apocalyptic number.

It is an amenable number.

6670285 is a deficient number, since it is larger than the sum of its proper divisors (1334063).

6670285 is a wasteful number, since it uses less digits than its factorization.

6670285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334062.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6670285 is about 2582.6894896600. The cubic root of 6670285 is about 188.2412494382.

The spelling of 6670285 in words is "six million, six hundred seventy thousand, two hundred eighty-five".

Divisors: 1 5 1334057 6670285