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30339906 = 235056651
BaseRepresentation
bin111001110111…
…1001101000010
32010002102112020
41303233031002
530231334111
63002142310
7515612352
oct163571502
963072466
1030339906
1116142903
12a1b1996
13639390c
14405ab62
1529e4906
hex1cef342

30339906 has 8 divisors (see below), whose sum is σ = 60679824. Its totient is φ = 10113300.

The previous prime is 30339893. The next prime is 30339913. The reversal of 30339906 is 60993303.

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

30339906 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 2528320 + ... + 2528331.

It is an arithmetic number, because the mean of its divisors is an integer number (7584978).

Almost surely, 230339906 is an apocalyptic number.

30339906 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.

30339906 is a wasteful number, since it uses less digits than its factorization.

30339906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056656.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 30339906 is about 5508.1672087910. The cubic root of 30339906 is about 311.8923650745.

The spelling of 30339906 in words is "thirty million, three hundred thirty-nine thousand, nine hundred six".

Divisors: 1 2 3 6 5056651 10113302 15169953 30339906