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316617141 = 3105539047
BaseRepresentation
bin10010110111110…
…011000110110101
3211001202211001210
4102313303012311
51122023222031
651230112033
710563126021
oct2267630665
9731684053
10316617141
111527a4165
128a04b619
1350798529
143009b381
151cbe2746
hex12df31b5

316617141 has 4 divisors (see below), whose sum is σ = 422156192. Its totient is φ = 211078092.

The previous prime is 316617131. The next prime is 316617193. The reversal of 316617141 is 141716613.

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, and also an emirpimes, since its reverse is a distinct semiprime: 141716613 = 347238871.

It is not a de Polignac number, because 316617141 - 25 = 316617109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316617099 and 316617108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316617101) 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, 52769521 + ... + 52769526.

It is an arithmetic number, because the mean of its divisors is an integer number (105539048).

Almost surely, 2316617141 is an apocalyptic number.

It is an amenable number.

316617141 is a deficient number, since it is larger than the sum of its proper divisors (105539051).

316617141 is a wasteful number, since it uses less digits than its factorization.

316617141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105539050.

The product of its digits is 3024, while the sum is 30.

The square root of 316617141 is about 17793.7388145381. The cubic root of 316617141 is about 681.5715820238.

The spelling of 316617141 in words is "three hundred sixteen million, six hundred seventeen thousand, one hundred forty-one".

Divisors: 1 3 105539047 316617141