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30150306 = 234186113
BaseRepresentation
bin111001100000…
…0111010100010
32002201210110000
41303000322202
530204302211
62554120430
7514162524
oct163007242
962653400
1030150306
111602340a
12a120116
136328524
14400ba14
1529a8656
hex1cc0ea2

30150306 has 20 divisors (see below), whose sum is σ = 67559382. Its totient is φ = 10050048.

The previous prime is 30150257. The next prime is 30150311. The reversal of 30150306 is 60305103.

It can be written as a sum of positive squares in only one way, i.e., 29257281 + 893025 = 5409^2 + 945^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 92895 + ... + 93218.

Almost surely, 230150306 is an apocalyptic number.

30150306 is an abundant number, since it is smaller than the sum of its proper divisors (37409076).

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

30150306 is a wasteful number, since it uses less digits than its factorization.

30150306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186127 (or 186118 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30150306 is about 5490.9294295228. The cubic root of 30150306 is about 311.2413148977.

Adding to 30150306 its reverse (60305103), we get a palindrome (90455409).

The spelling of 30150306 in words is "thirty million, one hundred fifty thousand, three hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 186113 372226 558339 1116678 1675017 3350034 5025051 10050102 15075153 30150306