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30134304 = 2532195507
BaseRepresentation
bin111001011110…
…1000000100000
32002200222111100
41302331000200
530203244204
62553514400
7514065054
oct162750040
962628440
1030134304
1116012392
12a112a00
136321165
144005c64
1529a3a39
hex1cbd020

30134304 has 72 divisors (see below), whose sum is σ = 90221040. Its totient is φ = 9514368.

The previous prime is 30134287. The next prime is 30134333. The reversal of 30134304 is 40343103.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2719 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (1253070).

Almost surely, 230134304 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 30134304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45110520).

30134304 is an abundant number, since it is smaller than the sum of its proper divisors (60086736).

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

30134304 is a wasteful number, since it uses less digits than its factorization.

30134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30134304 is about 5489.4721057675. The cubic root of 30134304 is about 311.1862423235.

Adding to 30134304 its reverse (40343103), we get a palindrome (70477407).

The spelling of 30134304 in words is "thirty million, one hundred thirty-four thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 5507 11014 16521 22028 33042 44056 49563 66084 88112 99126 104633 132168 176224 198252 209266 264336 313899 396504 418532 528672 627798 793008 837064 941697 1255596 1586016 1674128 1883394 2511192 3348256 3766788 5022384 7533576 10044768 15067152 30134304