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511104423 = 3947179903
BaseRepresentation
bin11110011101101…
…101010110100111
31022121201210110110
4132131231112213
52021320320143
6122414424103
715444213234
oct3635552647
91277653413
10511104423
11242561355
12123202033
1381b7256b
144bc4678b
152ed0d533
hex1e76d5a7

511104423 has 8 divisors (see below), whose sum is σ = 682195968. Its totient is φ = 340374584.

The previous prime is 511104403. The next prime is 511104449. The reversal of 511104423 is 324401115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 511104423 - 26 = 511104359 is a prime.

It is a super-2 number, since 2×5111044232 = 522455462420325858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511104423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511104403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87111 + ... + 92792.

It is an arithmetic number, because the mean of its divisors is an integer number (85274496).

Almost surely, 2511104423 is an apocalyptic number.

511104423 is a deficient number, since it is larger than the sum of its proper divisors (171091545).

511104423 is a wasteful number, since it uses less digits than its factorization.

511104423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180853.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 511104423 is about 22607.6186937059. The cubic root of 511104423 is about 799.5332814160.

Adding to 511104423 its reverse (324401115), we get a palindrome (835505538).

The spelling of 511104423 in words is "five hundred eleven million, one hundred four thousand, four hundred twenty-three".

Divisors: 1 3 947 2841 179903 539709 170368141 511104423