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30121134 = 235020189
BaseRepresentation
bin111001011100…
…1110010101110
32002200022102120
41302321302232
530202334014
62553333410
7514011501
oct162716256
962608376
1030121134
11160034aa
12a107266
136318174
144001138
15299eba9
hex1cb9cae

30121134 has 8 divisors (see below), whose sum is σ = 60242280. Its totient is φ = 10040376.

The previous prime is 30121097. The next prime is 30121151. The reversal of 30121134 is 43112103.

It is a sphenic number, since it is the product of 3 distinct primes.

30121134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510089 + ... + 2510100.

It is an arithmetic number, because the mean of its divisors is an integer number (7530285).

Almost surely, 230121134 is an apocalyptic number.

30121134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30121134 is a wasteful number, since it uses less digits than its factorization.

30121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020194.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30121134 is about 5488.2724057758. The cubic root of 30121134 is about 311.1409017486.

Adding to 30121134 its reverse (43112103), we get a palindrome (73233237).

The spelling of 30121134 in words is "thirty million, one hundred twenty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 5020189 10040378 15060567 30121134