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30228966 = 2322716197
BaseRepresentation
bin111001101010…
…0000111100110
32002212210100100
41303110013212
530214311331
62555524530
7514641045
oct163240746
962783310
1030228966
1116077519
12a159746
136355281
14402c55c
1529c1ae6
hex1cd41e6

30228966 has 24 divisors (see below), whose sum is σ = 65748384. Its totient is φ = 10037520.

The previous prime is 30228929. The next prime is 30229007. The reversal of 30228966 is 66982203.

It is a self number, because there is not a number n which added to its sum of digits gives 30228966.

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, 1780 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (2739516).

Almost surely, 230228966 is an apocalyptic number.

30228966 is an abundant number, since it is smaller than the sum of its proper divisors (35519418).

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

30228966 is a wasteful number, since it uses less digits than its factorization.

30228966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476 (or 6473 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 30228966 is about 5498.0874856626. The cubic root of 30228966 is about 311.5117486575.

The spelling of 30228966 in words is "thirty million, two hundred twenty-eight thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 271 542 813 1626 2439 4878 6197 12394 18591 37182 55773 111546 1679387 3358774 5038161 10076322 15114483 30228966