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316616641 = 1128783331
BaseRepresentation
bin10010110111110…
…010111111000001
3211001202210101021
4102313302333001
51122023213031
651230105441
710563124405
oct2267627701
9731683337
10316616641
111527a3850
128a04b281
1350798233
143009b105
151cbe2511
hex12df2fc1

316616641 has 4 divisors (see below), whose sum is σ = 345399984. Its totient is φ = 287833300.

The previous prime is 316616591. The next prime is 316616669. The reversal of 316616641 is 146616613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316616641 - 213 = 316608449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316616597 and 316616606.

It is not an unprimeable number, because it can be changed into a prime (316616681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14391655 + ... + 14391676.

It is an arithmetic number, because the mean of its divisors is an integer number (86349996).

Almost surely, 2316616641 is an apocalyptic number.

It is an amenable number.

316616641 is a deficient number, since it is larger than the sum of its proper divisors (28783343).

316616641 is a wasteful number, since it uses less digits than its factorization.

316616641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28783342.

The product of its digits is 15552, while the sum is 34.

The square root of 316616641 is about 17793.7247646467. The cubic root of 316616641 is about 681.5712232457.

The spelling of 316616641 in words is "three hundred sixteen million, six hundred sixteen thousand, six hundred forty-one".

Divisors: 1 11 28783331 316616641