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4030969 = 6536173
BaseRepresentation
bin1111011000000111111001
321120210110011
433120013321
52012442334
6222221521
746156045
oct17300771
97523404
104030969
112303588
1214248a1
13ab19b7
1476d025
15549564
hex3d81f9

4030969 has 4 divisors (see below), whose sum is σ = 4037796. Its totient is φ = 4024144.

The previous prime is 4030963. The next prime is 4030973. The reversal of 4030969 is 9690304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 3686400 = 587^2 + 1920^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030969 - 25 = 4030937 is a prime.

It is a super-2 number, since 2×40309692 = 32497422157922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4030969.

It is not an unprimeable number, because it can be changed into a prime (4030963) 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, 2434 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (1009449).

Almost surely, 24030969 is an apocalyptic number.

It is an amenable number.

4030969 is a deficient number, since it is larger than the sum of its proper divisors (6827).

4030969 is an equidigital number, since it uses as much as digits as its factorization.

4030969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 4030969 is about 2007.7273221232. The cubic root of 4030969 is about 159.1487209954.

The spelling of 4030969 in words is "four million, thirty thousand, nine hundred sixty-nine".

Divisors: 1 653 6173 4030969