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505030030 = 2550503003
BaseRepresentation
bin11110000110100…
…010010110001110
31022012022011221221
4132012202112032
52013241430110
6122040313554
715341453521
oct3606422616
91265264857
10505030030
1123a09259a
121211728ba
138082674b
144b104bb8
152e50d7da
hex1e1a258e

505030030 has 8 divisors (see below), whose sum is σ = 909054072. Its totient is φ = 202012008.

The previous prime is 505030003. The next prime is 505030037. The reversal of 505030030 is 30030505.

It is a happy number.

505030030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×5050300303 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505029986 and 505030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505030037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25251492 + ... + 25251511.

It is an arithmetic number, because the mean of its divisors is an integer number (113631759).

Almost surely, 2505030030 is an apocalyptic number.

505030030 is a deficient number, since it is larger than the sum of its proper divisors (404024042).

505030030 is a wasteful number, since it uses less digits than its factorization.

505030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50503010.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 505030030 is about 22472.8732030419. The cubic root of 505030030 is about 796.3532086930.

Adding to 505030030 its reverse (30030505), we get a palindrome (535060535).

The spelling of 505030030 in words is "five hundred five million, thirty thousand, thirty".

Divisors: 1 2 5 10 50503003 101006006 252515015 505030030