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30005104 = 2419891109
BaseRepresentation
bin111001001110…
…1011101110000
32002110102021011
41302131131300
530140130404
62551040304
7513016303
oct162353560
962412234
1030005104
1115a34308
12a070094
1362a73cc
143db0b3a
15297a604
hex1c9d770

30005104 has 40 divisors (see below), whose sum is σ = 61938000. Its totient is φ = 14040576.

The previous prime is 30005089. The next prime is 30005137. The reversal of 30005104 is 40150003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26502 + ... + 27610.

It is an arithmetic number, because the mean of its divisors is an integer number (1548450).

Almost surely, 230005104 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 30005104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30969000).

30005104 is an abundant number, since it is smaller than the sum of its proper divisors (31932896).

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

30005104 is a wasteful number, since it uses less digits than its factorization.

30005104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30005104 is about 5477.6914845581. The cubic root of 30005104 is about 310.7408710569.

Adding to 30005104 its reverse (40150003), we get a palindrome (70155107).

The spelling of 30005104 in words is "thirty million, five thousand, one hundred four".

Divisors: 1 2 4 8 16 19 38 76 89 152 178 304 356 712 1109 1424 1691 2218 3382 4436 6764 8872 13528 17744 21071 27056 42142 84284 98701 168568 197402 337136 394804 789608 1579216 1875319 3750638 7501276 15002552 30005104