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30247060 = 2254335171
BaseRepresentation
bin111001101100…
…0100010010100
32002220201011111
41303120202110
530220401220
63000144404
7515044564
oct163304224
962821144
1030247060
111608a078
12a168104
13636058c
144034da4
1529c715a
hex1cd8894

30247060 has 24 divisors (see below), whose sum is σ = 64997856. Its totient is φ = 11817120.

The previous prime is 30247057. The next prime is 30247127. The reversal of 30247060 is 6074203.

It is a congruent number.

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, 16726 + ... + 18445.

It is an arithmetic number, because the mean of its divisors is an integer number (2708244).

Almost surely, 230247060 is an apocalyptic number.

It is an amenable number.

30247060 is an abundant number, since it is smaller than the sum of its proper divisors (34750796).

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

30247060 is a wasteful number, since it uses less digits than its factorization.

30247060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35223 (or 35221 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30247060 is about 5499.7327207783. The cubic root of 30247060 is about 311.5738896004.

The spelling of 30247060 in words is "thirty million, two hundred forty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 35171 70342 140684 175855 351710 703420 1512353 3024706 6049412 7561765 15123530 30247060