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30060030 = 23572112132
BaseRepresentation
bin111001010101…
…0110111111110
32002120012121110
41302222313332
530143410110
62552142450
7513335400
oct162526776
962505543
1030060030
1115a71600
12a097a26
1362c6400
143dc6b70
15298ba20
hex1caadfe

30060030 has 216 divisors, whose sum is σ = 99887256. Its totient is φ = 5765760.

The previous prime is 30059999. The next prime is 30060047. The reversal of 30060030 is 3006003.

It is a junction number, because it is equal to n+sod(n) for n = 30059988 and 30060015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2312304 + ... + 2312316.

It is an arithmetic number, because the mean of its divisors is an integer number (462441).

Almost surely, 230060030 is an apocalyptic number.

30060030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30060030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49943628).

30060030 is an abundant number, since it is smaller than the sum of its proper divisors (69827226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30060030 is a wasteful number, since it uses less digits than its factorization.

30060030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30060030 is about 5482.7028006267. The cubic root of 30060030 is about 310.9303649196.

Adding to 30060030 its reverse (3006003), we get a palindrome (33066033).

The spelling of 30060030 in words is "thirty million, sixty thousand, thirty", and thus it is an eban number.