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30480234 = 23107197241
BaseRepresentation
bin111010001000…
…1011101101010
32010100120000120
41310101131222
530300331414
63005144110
7520035441
oct164213552
963316016
1030480234
1116229284
12a25b036
136412755
144095d58
152a212a9
hex1d1176a

30480234 has 32 divisors (see below), whose sum is σ = 62099136. Its totient is φ = 9972480.

The previous prime is 30480227. The next prime is 30480239. The reversal of 30480234 is 43208403.

It is not an unprimeable number, because it can be changed into a prime (30480239) 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 15 ways as a sum of consecutive naturals, for example, 126354 + ... + 126594.

It is an arithmetic number, because the mean of its divisors is an integer number (1940598).

Almost surely, 230480234 is an apocalyptic number.

30480234 is an abundant number, since it is smaller than the sum of its proper divisors (31618902).

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

30480234 is a wasteful number, since it uses less digits than its factorization.

30480234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30480234 is about 5520.8906890102. The cubic root of 30480234 is about 312.3724800241.

Adding to 30480234 its reverse (43208403), we get a palindrome (73688637).

The spelling of 30480234 in words is "thirty million, four hundred eighty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 107 197 214 241 321 394 482 591 642 723 1182 1446 21079 25787 42158 47477 51574 63237 77361 94954 126474 142431 154722 284862 5080039 10160078 15240117 30480234