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308880113 is a prime number
BaseRepresentation
bin10010011010010…
…010001011110001
3210112012201212012
4102122102023301
51113033130423
650352212305
710440303053
oct2232221361
9715181765
10308880113
1114939a223
128753a095
134bcb99c9
142d0458d3
151c1b5078
hex126922f1

308880113 has 2 divisors, whose sum is σ = 308880114. Its totient is φ = 308880112.

The previous prime is 308880071. The next prime is 308880151. The reversal of 308880113 is 311088803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269353744 + 39526369 = 16412^2 + 6287^2 .

It is a cyclic number.

It is not a de Polignac number, because 308880113 - 210 = 308879089 is a prime.

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 308880113.

It is not a weakly prime, because it can be changed into another prime (308880413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154440056 + 154440057.

It is an arithmetic number, because the mean of its divisors is an integer number (154440057).

Almost surely, 2308880113 is an apocalyptic number.

It is an amenable number.

308880113 is a deficient number, since it is larger than the sum of its proper divisors (1).

308880113 is an equidigital number, since it uses as much as digits as its factorization.

308880113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 308880113 is about 17574.9854338489. The cubic root of 308880113 is about 675.9739852330.

The spelling of 308880113 in words is "three hundred eight million, eight hundred eighty thousand, one hundred thirteen".