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30304112 = 2431107571
BaseRepresentation
bin111001110011…
…0011101110000
32010000121102112
41303212131300
530224212422
63001304452
7515403116
oct163463560
963017375
1030304112
1116118a23
12a195128
136380537
14404bab6
1529d8ee2
hex1ce6770

30304112 has 40 divisors (see below), whose sum is σ = 61281792. Its totient is φ = 14500800.

The previous prime is 30304103. The next prime is 30304117. The reversal of 30304112 is 21140303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52787 + ... + 53357.

Almost surely, 230304112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30304112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30640896).

30304112 is an abundant number, since it is smaller than the sum of its proper divisors (30977680).

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

30304112 is a wasteful number, since it uses less digits than its factorization.

30304112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30304112 is about 5504.9170747614. The cubic root of 30304112 is about 311.7696634369.

Adding to 30304112 its reverse (21140303), we get a palindrome (51444415).

The spelling of 30304112 in words is "thirty million, three hundred four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 107 124 214 248 428 496 571 856 1142 1712 2284 3317 4568 6634 9136 13268 17701 26536 35402 53072 61097 70804 122194 141608 244388 283216 488776 977552 1894007 3788014 7576028 15152056 30304112