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30118328 = 233764791
BaseRepresentation
bin111001011100…
…1000110111000
32002200011120122
41302321012320
530202241303
62553312412
7514000352
oct162710670
962604518
1030118328
1116001389
12a105708
136316ac6
1440000d2
15299de38
hex1cb91b8

30118328 has 8 divisors (see below), whose sum is σ = 56471880. Its totient is φ = 15059160.

The previous prime is 30118303. The next prime is 30118331. The reversal of 30118328 is 82381103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×301183282 = 1814227363031168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30118297 and 30118306.

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 as a sum of consecutive naturals, namely, 1882388 + ... + 1882403.

It is an arithmetic number, because the mean of its divisors is an integer number (7058985).

Almost surely, 230118328 is an apocalyptic number.

It is an amenable number.

30118328 is a deficient number, since it is larger than the sum of its proper divisors (26353552).

30118328 is a wasteful number, since it uses less digits than its factorization.

30118328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764797 (or 3764793 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 30118328 is about 5488.0167638228. The cubic root of 30118328 is about 311.1312397785.

The spelling of 30118328 in words is "thirty million, one hundred eighteen thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 3764791 7529582 15059164 30118328