Search a number
-
+
7120241 = 43165587
BaseRepresentation
bin11011001010010101110001
3111101202010122
4123022111301
53310321431
6412340025
7114343502
oct33122561
914352118
107120241
1140235a7
122474615
131623b7b
14d34ba9
15959a7b
hex6ca571

7120241 has 4 divisors (see below), whose sum is σ = 7285872. Its totient is φ = 6954612.

The previous prime is 7120237. The next prime is 7120277. The reversal of 7120241 is 1420217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1420217 = 2948973.

It is a cyclic number.

It is not a de Polignac number, because 7120241 - 22 = 7120237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82751 + ... + 82836.

It is an arithmetic number, because the mean of its divisors is an integer number (1821468).

Almost surely, 27120241 is an apocalyptic number.

It is an amenable number.

7120241 is a deficient number, since it is larger than the sum of its proper divisors (165631).

7120241 is a wasteful number, since it uses less digits than its factorization.

7120241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165630.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7120241 is about 2668.3779717274. The cubic root of 7120241 is about 192.3822048770.

Adding to 7120241 its reverse (1420217), we get a palindrome (8540458).

The spelling of 7120241 in words is "seven million, one hundred twenty thousand, two hundred forty-one".

Divisors: 1 43 165587 7120241