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351242241 = 3722389403
BaseRepresentation
bin10100111011111…
…000100000000001
3220110220221202220
4110323320200001
51204404222431
654504201253
711463336600
oct2473704001
9813827686
10351242241
111702a3549
1299769229
13579cc75c
1434911a37
1520c81b96
hex14ef8801

351242241 has 12 divisors (see below), whose sum is σ = 544784112. Its totient is φ = 200709768.

The previous prime is 351242237. The next prime is 351242263. The reversal of 351242241 is 142242153.

It is not a de Polignac number, because 351242241 - 22 = 351242237 is a prime.

It is a super-2 number, since 2×3512422412 = 246742223725404162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (351242231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194555 + ... + 1194848.

It is an arithmetic number, because the mean of its divisors is an integer number (45398676).

Almost surely, 2351242241 is an apocalyptic number.

It is an amenable number.

351242241 is a deficient number, since it is larger than the sum of its proper divisors (193541871).

351242241 is a wasteful number, since it uses less digits than its factorization.

351242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389420 (or 2389413 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 351242241 is about 18741.4578141616. The cubic root of 351242241 is about 705.5626452573.

Adding to 351242241 its reverse (142242153), we get a palindrome (493484394).

It can be divided in two parts, 3512 and 42241, that added together give a triangular number (45753 = T302).

The spelling of 351242241 in words is "three hundred fifty-one million, two hundred forty-two thousand, two hundred forty-one".

Divisors: 1 3 7 21 49 147 2389403 7168209 16725821 50177463 117080747 351242241