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30230322 = 237369019
BaseRepresentation
bin111001101010…
…0011100110010
32002212212012120
41303110130302
530214332242
62555535110
7514645023
oct163243462
962785176
1030230322
1116078541
12a15a496
136355a85
14402cc4a
1529c21ec
hex1cd4732

30230322 has 16 divisors (see below), whose sum is σ = 61289760. Its totient is φ = 9938592.

The previous prime is 30230297. The next prime is 30230323. The reversal of 30230322 is 22303203.

It is not an unprimeable number, because it can be changed into a prime (30230323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34072 + ... + 34947.

It is an arithmetic number, because the mean of its divisors is an integer number (3830610).

Almost surely, 230230322 is an apocalyptic number.

30230322 is an abundant number, since it is smaller than the sum of its proper divisors (31059438).

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

30230322 is a wasteful number, since it uses less digits than its factorization.

30230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69097.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30230322 is about 5498.2107998875. The cubic root of 30230322 is about 311.5164064815.

Adding to 30230322 its reverse (22303203), we get a palindrome (52533525).

The spelling of 30230322 in words is "thirty million, two hundred thirty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 73 146 219 438 69019 138038 207057 414114 5038387 10076774 15115161 30230322