Search a number
-
+
313740277 is a prime number
BaseRepresentation
bin10010101100110…
…100101111110101
3210212100122202021
4102230310233311
51120304142102
651044313141
710526514454
oct2254645765
9725318667
10313740277
11151109794
12890a27b1
134cccbc46
142d94cb9b
151c825137
hex12b34bf5

313740277 has 2 divisors, whose sum is σ = 313740278. Its totient is φ = 313740276.

The previous prime is 313740269. The next prime is 313740283. The reversal of 313740277 is 772047313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310076881 + 3663396 = 17609^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 313740277 - 23 = 313740269 is a prime.

It is a super-2 number, since 2×3137402772 = 196865922824073458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313740227) 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 as a sum of consecutive naturals, namely, 156870138 + 156870139.

It is an arithmetic number, because the mean of its divisors is an integer number (156870139).

Almost surely, 2313740277 is an apocalyptic number.

It is an amenable number.

313740277 is a deficient number, since it is larger than the sum of its proper divisors (1).

313740277 is an equidigital number, since it uses as much as digits as its factorization.

313740277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 313740277 is about 17712.7151221940. The cubic root of 313740277 is about 679.5009869779.

The spelling of 313740277 in words is "three hundred thirteen million, seven hundred forty thousand, two hundred seventy-seven".