Search a number
-
+
347474072417 = 427997811861
BaseRepresentation
bin1010000111001110001…
…00011001001101100001
31020012220001202210010112
411003213010121031201
521143111330304132
6423343303141105
734050505611623
oct5034704311541
91205801683115
10347474072417
111243aa06759a
1257414444795
13269c7491a14
1412b641d2c13
15908a405ab2
hex50e7119361

347474072417 has 4 divisors (see below), whose sum is σ = 347475312276. Its totient is φ = 347472832560.

The previous prime is 347474072357. The next prime is 347474072419. The reversal of 347474072417 is 714270474743.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16562660416 + 330911412001 = 128696^2 + 575249^2 .

It is a cyclic number.

It is not a de Polignac number, because 347474072417 - 26 = 347474072353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347474072419) 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, 22067 + ... + 833927.

It is an arithmetic number, because the mean of its divisors is an integer number (86868828069).

Almost surely, 2347474072417 is an apocalyptic number.

It is an amenable number.

347474072417 is a deficient number, since it is larger than the sum of its proper divisors (1239859).

347474072417 is an equidigital number, since it uses as much as digits as its factorization.

347474072417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239858.

The product of its (nonzero) digits is 3687936, while the sum is 50.

The spelling of 347474072417 in words is "three hundred forty-seven billion, four hundred seventy-four million, seventy-two thousand, four hundred seventeen".

Divisors: 1 427997 811861 347474072417