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3040431 = 31013477
BaseRepresentation
bin1011100110010010101111
312201110200120
423212102233
51234243211
6145100023
734562142
oct13462257
95643616
103040431
111797359
121027613
13825b94
14592059
15400d06
hex2e64af

3040431 has 4 divisors (see below), whose sum is σ = 4053912. Its totient is φ = 2026952.

The previous prime is 3040409. The next prime is 3040469. The reversal of 3040431 is 1340403.

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

It is a cyclic number.

It is not a de Polignac number, because 3040431 - 29 = 3039919 is a prime.

It is a super-2 number, since 2×30404312 = 18488441331522, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3040431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040481) 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, 506736 + ... + 506741.

It is an arithmetic number, because the mean of its divisors is an integer number (1013478).

Almost surely, 23040431 is an apocalyptic number.

3040431 is a deficient number, since it is larger than the sum of its proper divisors (1013481).

3040431 is a wasteful number, since it uses less digits than its factorization.

3040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013480.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3040431 is about 1743.6831707624. The cubic root of 3040431 is about 144.8699745989.

Adding to 3040431 its reverse (1340403), we get a palindrome (4380834).

The spelling of 3040431 in words is "three million, forty thousand, four hundred thirty-one".

Divisors: 1 3 1013477 3040431