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30174285 = 354194801
BaseRepresentation
bin111001100011…
…0110001001101
32002210000100010
41303012301031
530211034120
62554423433
7514322451
oct163066115
962700303
1030174285
111603a429
12a131b79
13633640b
144016661
1529b07e0
hex1cc6c4d

30174285 has 16 divisors (see below), whose sum is σ = 48404160. Its totient is φ = 16051200.

The previous prime is 30174281. The next prime is 30174307. The reversal of 30174285 is 58247103.

It is not a de Polignac number, because 30174285 - 22 = 30174281 is a prime.

It is a super-2 number, since 2×301742852 = 1820974950522450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30174281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 8685.

It is an arithmetic number, because the mean of its divisors is an integer number (3025260).

Almost surely, 230174285 is an apocalyptic number.

It is an amenable number.

30174285 is a deficient number, since it is larger than the sum of its proper divisors (18229875).

30174285 is a wasteful number, since it uses less digits than its factorization.

30174285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 30174285 is about 5493.1125056747. The cubic root of 30174285 is about 311.3238046942.

The spelling of 30174285 in words is "thirty million, one hundred seventy-four thousand, two hundred eighty-five".

Divisors: 1 3 5 15 419 1257 2095 4801 6285 14403 24005 72015 2011619 6034857 10058095 30174285