Search a number
-
+
315701 is a prime number
BaseRepresentation
bin1001101000100110101
3121001001122
41031010311
540100301
610433325
72453261
oct1150465
9531048
10315701
111a6211
12132845
13b0909
14830a1
156381b
hex4d135

315701 has 2 divisors, whose sum is σ = 315702. Its totient is φ = 315700.

The previous prime is 315697. The next prime is 315703. The reversal of 315701 is 107513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 12100 = 551^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 315701 - 22 = 315697 is a prime.

Together with 315703, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315701.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315701.

It is not a weakly prime, because it can be changed into another prime (315703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157850 + 157851.

It is an arithmetic number, because the mean of its divisors is an integer number (157851).

2315701 is an apocalyptic number.

It is an amenable number.

315701 is a deficient number, since it is larger than the sum of its proper divisors (1).

315701 is an equidigital number, since it uses as much as digits as its factorization.

315701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 315701 is about 561.8727613971. The cubic root of 315701 is about 68.0913564485.

The spelling of 315701 in words is "three hundred fifteen thousand, seven hundred one".