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3040031 = 3782163
BaseRepresentation
bin1011100110001100011111
312201110010202
423212030133
51234240111
6145054115
734561031
oct13461437
95643122
103040031
111797025
12102733b
13825947
14591c51
15400b3b
hex2e631f

3040031 has 4 divisors (see below), whose sum is σ = 3122232. Its totient is φ = 2957832.

The previous prime is 3040021. The next prime is 3040043. The reversal of 3040031 is 1300403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3040031 is a prime.

It is a super-2 number, since 2×30400312 = 18483576961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3039994 and 3040021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040021) 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, 41045 + ... + 41118.

It is an arithmetic number, because the mean of its divisors is an integer number (780558).

Almost surely, 23040031 is an apocalyptic number.

3040031 is a deficient number, since it is larger than the sum of its proper divisors (82201).

3040031 is an equidigital number, since it uses as much as digits as its factorization.

3040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82200.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3040031 is about 1743.5684672533. The cubic root of 3040031 is about 144.8636212747.

Adding to 3040031 its reverse (1300403), we get a palindrome (4340434).

The spelling of 3040031 in words is "three million, forty thousand, thirty-one".

Divisors: 1 37 82163 3040031