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30198852 = 2233279619
BaseRepresentation
bin111001100110…
…0110001000100
32002211021001000
41303030301010
530212330402
62555133300
7514454205
oct163146104
962737030
1030198852
1116056932
12a144230
136344658
1440215ac
1529b7c1c
hex1cccc44

30198852 has 24 divisors (see below), whose sum is σ = 78293600. Its totient is φ = 10066248.

The previous prime is 30198841. The next prime is 30198871. The reversal of 30198852 is 25889103.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139702 + ... + 139917.

Almost surely, 230198852 is an apocalyptic number.

It is an amenable number.

30198852 is an abundant number, since it is smaller than the sum of its proper divisors (48094748).

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

30198852 is a wasteful number, since it uses less digits than its factorization.

30198852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279632 (or 279624 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 30198852 is about 5495.3482146266. The cubic root of 30198852 is about 311.4082719503.

The spelling of 30198852 in words is "thirty million, one hundred ninety-eight thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 279619 559238 838857 1118476 1677714 2516571 3355428 5033142 7549713 10066284 15099426 30198852