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30394435600 = 24522323792
BaseRepresentation
bin11100010011101001…
…100100100000010000
32220110020111022022001
4130103221210200100
5444221433414400
621544002123344
72124126303604
oct342351444020
986406438261
1030394435600
1111987959371
125a83050554
132b35008a49
1416849a1504
15bcd58da6a
hex713a64810

30394435600 has 135 divisors (see below), whose sum is σ = 76537512093. Its totient is φ = 11598491520.

The previous prime is 30394435583. The next prime is 30394435607. The reversal of 30394435600 is 653449303.

The square root of 30394435600 is 174340.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10941996816 + 19452438784 = 104604^2 + 139472^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30394435600.

It is not an unprimeable number, because it can be changed into a prime (30394435607) 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 26 ways as a sum of consecutive naturals, for example, 80196211 + ... + 80196589.

Almost surely, 230394435600 is an apocalyptic number.

30394435600 is the 174340-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30394435600

30394435600 is an abundant number, since it is smaller than the sum of its proper divisors (46143076493).

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

30394435600 is an equidigital number, since it uses as much as digits as its factorization.

30394435600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 30394435600 in words is "thirty billion, three hundred ninety-four million, four hundred thirty-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 379 400 460 529 575 758 920 1058 1150 1516 1840 1895 2116 2300 2645 3032 3790 4232 4600 5290 6064 7580 8464 8717 9200 9475 10580 13225 15160 17434 18950 21160 26450 30320 34868 37900 42320 43585 52900 69736 75800 87170 105800 139472 143641 151600 174340 200491 211600 217925 287282 348680 400982 435850 574564 697360 718205 801964 871700 1002455 1149128 1436410 1603928 1743400 2004910 2298256 2872820 3207856 3303743 3486800 3591025 4009820 5012275 5745640 6607486 7182050 8019640 10024550 11491280 13214972 14364100 16039280 16518715 20049100 26429944 28728200 33037430 40098200 52859888 57456400 66074860 75986089 80196400 82593575 132149720 151972178 165187150 264299440 303944356 330374300 379930445 607888712 660748600 759860890 1215777424 1321497200 1519721780 1899652225 3039443560 3799304450 6078887120 7598608900 15197217800 30394435600