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30230304 = 2531324223
BaseRepresentation
bin111001101010…
…0011100100000
32002212212011220
41303110130200
530214332204
62555535040
7514644666
oct163243440
962785156
1030230304
1116078525
12a15a480
136355a70
14402cc36
1529c21d9
hex1cd4720

30230304 has 48 divisors (see below), whose sum is σ = 85462272. Its totient is φ = 9301248.

The previous prime is 30230297. The next prime is 30230323. The reversal of 30230304 is 40303203.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 10864 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (1780464).

Almost surely, 230230304 is an apocalyptic number.

It is an amenable number.

30230304 is an abundant number, since it is smaller than the sum of its proper divisors (55231968).

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

30230304 is a wasteful number, since it uses less digits than its factorization.

30230304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24249 (or 24241 counting only the distinct ones).

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

The square root of 30230304 is about 5498.2091629912. The cubic root of 30230304 is about 311.5163446529.

Adding to 30230304 its reverse (40303203), we get a palindrome (70533507).

The spelling of 30230304 in words is "thirty million, two hundred thirty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 24223 48446 72669 96892 145338 193784 290676 314899 387568 581352 629798 775136 944697 1162704 1259596 1889394 2325408 2519192 3778788 5038384 7557576 10076768 15115152 30230304