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30328799 = 177324439
BaseRepresentation
bin111001110110…
…0011111011111
32010001212021212
41303230133133
530231010144
63002015035
7515535104
oct163543737
963055255
1030328799
1116135526
12a1a747b
13638b847
144056aab
1529e149e
hex1cec7df

30328799 has 8 divisors (see below), whose sum is σ = 32554080. Its totient is φ = 28152576.

The previous prime is 30328787. The next prime is 30328813. The reversal of 30328799 is 99782303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30328799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30324799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10979 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (4069260).

Almost surely, 230328799 is an apocalyptic number.

30328799 is a deficient number, since it is larger than the sum of its proper divisors (2225281).

30328799 is a wasteful number, since it uses less digits than its factorization.

30328799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24529.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 30328799 is about 5507.1588863951. The cubic root of 30328799 is about 311.8543006705.

The spelling of 30328799 in words is "thirty million, three hundred twenty-eight thousand, seven hundred ninety-nine".

Divisors: 1 17 73 1241 24439 415463 1784047 30328799