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30205098 = 232711193137
BaseRepresentation
bin111001100111…
…0010010101010
32002211120121100
41303032102222
530213030343
62555222230
7514511340
oct163162252
962746540
1030205098
11160605a0
12a147976
136347451
144023990
1529b99d3
hex1cce4aa

30205098 has 192 divisors, whose sum is σ = 91054080. Its totient is φ = 6998400.

The previous prime is 30205081. The next prime is 30205103. The reversal of 30205098 is 89050203.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 816336 + ... + 816372.

It is an arithmetic number, because the mean of its divisors is an integer number (474240).

Almost surely, 230205098 is an apocalyptic number.

30205098 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30205098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45527040).

30205098 is an abundant number, since it is smaller than the sum of its proper divisors (60848982).

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

30205098 is a wasteful number, since it uses less digits than its factorization.

30205098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30205098 is about 5495.9164840816. The cubic root of 30205098 is about 311.4297398965.

It can be divided in two parts, 3020 and 5098, that added together give a palindrome (8118).

The spelling of 30205098 in words is "thirty million, two hundred five thousand, ninety-eight".