Search a number
-
+
7385041 = 16345307
BaseRepresentation
bin11100001010111111010001
3111220012101001
4130022333101
53342310131
6422142001
7116525506
oct34127721
914805331
107385041
114194544
122581901
1316b7561
14da34ad
159ad261
hex70afd1

7385041 has 4 divisors (see below), whose sum is σ = 7430512. Its totient is φ = 7339572.

The previous prime is 7385039. The next prime is 7385057. The reversal of 7385041 is 1405837.

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: 1405837 = 3733769.

It is a cyclic number.

It is not a de Polignac number, because 7385041 - 21 = 7385039 is a prime.

It is an Ulam number.

It is a Duffinian number.

7385041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7385011) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 22491 + ... + 22816.

It is an arithmetic number, because the mean of its divisors is an integer number (1857628).

Almost surely, 27385041 is an apocalyptic number.

It is an amenable number.

7385041 is a deficient number, since it is larger than the sum of its proper divisors (45471).

7385041 is a wasteful number, since it uses less digits than its factorization.

7385041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45470.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 7385041 is about 2717.5431919291. The cubic root of 7385041 is about 194.7381187606.

The spelling of 7385041 in words is "seven million, three hundred eighty-five thousand, forty-one".

Divisors: 1 163 45307 7385041