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675616085 = 5135123217
BaseRepresentation
bin101000010001010…
…001010101010101
31202002021212000222
4220101101111111
52340424203320
6151012444125
722512433124
oct5021212525
91662255028
10675616085
11317405401
1216a319645
13a9c82741
1465a2babb
153e4a7825
hex28451555

675616085 has 4 divisors (see below), whose sum is σ = 810739308. Its totient is φ = 540492864.

The previous prime is 675616063. The next prime is 675616093. The reversal of 675616085 is 580616576.

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 370100644 + 305515441 = 19238^2 + 17479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-675616085 is a prime.

It is a Duffinian number.

It is a Curzon 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, 67561604 + ... + 67561613.

It is an arithmetic number, because the mean of its divisors is an integer number (202684827).

Almost surely, 2675616085 is an apocalyptic number.

It is an amenable number.

675616085 is a deficient number, since it is larger than the sum of its proper divisors (135123223).

675616085 is a wasteful number, since it uses less digits than its factorization.

675616085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135123222.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 675616085 is about 25992.6159706944. The cubic root of 675616085 is about 877.4721208232.

The spelling of 675616085 in words is "six hundred seventy-five million, six hundred sixteen thousand, eighty-five".

Divisors: 1 5 135123217 675616085