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310014242 = 2155007121
BaseRepresentation
bin10010011110100…
…111000100100010
3210121100100120222
4102132213010202
51113330423432
650432403042
710453035416
oct2236470442
9717310528
10310014242
11149aa431a
12879a6482
134c2c5ca5
142d25cd46
151c33b112
hex127a7122

310014242 has 4 divisors (see below), whose sum is σ = 465021366. Its totient is φ = 155007120.

The previous prime is 310014223. The next prime is 310014259. The reversal of 310014242 is 242410013.

310014242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242410013 = 1571154303.

It can be written as a sum of positive squares in only one way, i.e., 255712081 + 54302161 = 15991^2 + 7369^2 .

It is a super-2 number, since 2×3100142422 = 192217660485669128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310014242.

It is an unprimeable number.

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, 77503559 + ... + 77503562.

Almost surely, 2310014242 is an apocalyptic number.

310014242 is a deficient number, since it is larger than the sum of its proper divisors (155007124).

310014242 is a wasteful number, since it uses less digits than its factorization.

310014242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155007123.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 310014242 is about 17607.2213026360. The cubic root of 310014242 is about 676.8003093987.

Adding to 310014242 its reverse (242410013), we get a palindrome (552424255).

The spelling of 310014242 in words is "three hundred ten million, fourteen thousand, two hundred forty-two".

Divisors: 1 2 155007121 310014242