Search a number
-
+
7220249041 = 107191353293
BaseRepresentation
bin1101011100101110…
…00100000111010001
3200122012011122200011
412232113010013101
5104241340432131
63152242554521
7343632050515
oct65627040721
920565148604
107220249041
113075707a75
121496068a41
138b0b2cb15
144c6cd0145
152c3d230b1
hex1ae5c41d1

7220249041 has 8 divisors (see below), whose sum is σ = 7325904384. Its totient is φ = 7115300880.

The previous prime is 7220249039. The next prime is 7220249051. The reversal of 7220249041 is 1409420227.

7220249041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7220249041 - 21 = 7220249039 is a prime.

It is a super-2 number, since 2×72202490412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7220248994 and 7220249012.

It is not an unprimeable number, because it can be changed into a prime (7220249051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156210 + ... + 197083.

It is an arithmetic number, because the mean of its divisors is an integer number (915738048).

Almost surely, 27220249041 is an apocalyptic number.

It is an amenable number.

7220249041 is a deficient number, since it is larger than the sum of its proper divisors (105655343).

7220249041 is a wasteful number, since it uses less digits than its factorization.

7220249041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353591.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7220249041 is about 84972.0485865793. The cubic root of 7220249041 is about 1932.7872817334.

Adding to 7220249041 its reverse (1409420227), we get a palindrome (8629669268).

The spelling of 7220249041 in words is "seven billion, two hundred twenty million, two hundred forty-nine thousand, forty-one".

Divisors: 1 107 191 20437 353293 37802351 67478963 7220249041