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9140041 = 65313997
BaseRepresentation
bin100010110111…
…011101001001
3122012100210001
4202313131021
54314440131
6523523001
7140455231
oct42673511
918170701
109140041
115183059
123089461
131b80311
1412dccc1
15c08261
hex8b7749

9140041 has 4 divisors (see below), whose sum is σ = 9154692. Its totient is φ = 9125392.

The previous prime is 9140029. The next prime is 9140059. The reversal of 9140041 is 1400419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1400419 = 5326423.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 5900041 = 1800^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 9140041 - 213 = 9131849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9140011) 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, 6346 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (2288673).

Almost surely, 29140041 is an apocalyptic number.

It is an amenable number.

9140041 is a deficient number, since it is larger than the sum of its proper divisors (14651).

9140041 is a wasteful number, since it uses less digits than its factorization.

9140041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 9140041 is about 3023.2500723559. The cubic root of 9140041 is about 209.0817122093.

The spelling of 9140041 in words is "nine million, one hundred forty thousand, forty-one".

Divisors: 1 653 13997 9140041