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30164506 = 247320899
BaseRepresentation
bin111001100010…
…0011000011010
32002202111220221
41303010120122
530210231011
62554310254
7514252111
oct163043032
962674827
1030164506
1116033049
12a12838a
136331b28
144012c78
1529ac971
hex1cc461a

30164506 has 8 divisors (see below), whose sum is σ = 46209600. Its totient is φ = 14761308.

The previous prime is 30164501. The next prime is 30164521. The reversal of 30164506 is 60546103.

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

It is not an unprimeable number, because it can be changed into a prime (30164501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 160356 + ... + 160543.

It is an arithmetic number, because the mean of its divisors is an integer number (5776200).

Almost surely, 230164506 is an apocalyptic number.

30164506 is a deficient number, since it is larger than the sum of its proper divisors (16045094).

30164506 is a wasteful number, since it uses less digits than its factorization.

30164506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320948.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30164506 is about 5492.2223188797. Note that the first 3 decimals coincide. The cubic root of 30164506 is about 311.2901693827.

The spelling of 30164506 in words is "thirty million, one hundred sixty-four thousand, five hundred six".

Divisors: 1 2 47 94 320899 641798 15082253 30164506