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30684116 = 2217232853
BaseRepresentation
bin111010100001…
…1001111010100
32010201220200202
41311003033110
530323342431
63013400032
7521545031
oct165031724
963656622
1030684116
1116358481
12a339018
1364844a8
14410a388
152a618cb
hex1d433d4

30684116 has 36 divisors (see below), whose sum is σ = 59505012. Its totient is φ = 13795584.

The previous prime is 30684109. The next prime is 30684127. The reversal of 30684116 is 61148603.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 19096900 = 3404^2 + 4370^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35546 + ... + 36398.

It is an arithmetic number, because the mean of its divisors is an integer number (1652917).

Almost surely, 230684116 is an apocalyptic number.

It is an amenable number.

30684116 is a deficient number, since it is larger than the sum of its proper divisors (28820896).

30684116 is a wasteful number, since it uses less digits than its factorization.

30684116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 30684116 is about 5539.3245075551. The cubic root of 30684116 is about 313.0674183729.

The spelling of 30684116 in words is "thirty million, six hundred eighty-four thousand, one hundred sixteen".

Divisors: 1 2 4 17 23 34 46 68 92 391 529 782 853 1058 1564 1706 2116 3412 8993 14501 17986 19619 29002 35972 39238 58004 78476 333523 451237 667046 902474 1334092 1804948 7671029 15342058 30684116