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30329188 = 2234721851
BaseRepresentation
bin111001110110…
…0100101100100
32010001212211021
41303230211210
530231013223
63002020524
7515536201
oct163544544
963055737
1030329188
111613584a
12a1a7744
13638ba86
144056ca8
1529e165d
hex1cec964

30329188 has 12 divisors (see below), whose sum is σ = 53231472. Its totient is φ = 15120200.

The previous prime is 30329179. The next prime is 30329209. The reversal of 30329188 is 88192303.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9538 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (4435956).

Almost surely, 230329188 is an apocalyptic number.

It is an amenable number.

30329188 is a deficient number, since it is larger than the sum of its proper divisors (22902284).

30329188 is a wasteful number, since it uses less digits than its factorization.

30329188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22202 (or 22200 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 30329188 is about 5507.1942039481. The cubic root of 30329188 is about 311.8556339556.

The spelling of 30329188 in words is "thirty million, three hundred twenty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 4 347 694 1388 21851 43702 87404 7582297 15164594 30329188