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30328370 = 2519159623
BaseRepresentation
bin111001110110…
…0011000110010
32010001211200222
41303230120302
530231001440
63002013042
7515533622
oct163543062
963054628
1030328370
1116135176
12a1a7182
13638b5a7
144056882
1529e12b5
hex1cec632

30328370 has 16 divisors (see below), whose sum is σ = 57464640. Its totient is φ = 11492784.

The previous prime is 30328343. The next prime is 30328379. The reversal of 30328370 is 7382303.

It is not an unprimeable number, because it can be changed into a prime (30328379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79622 + ... + 80001.

It is an arithmetic number, because the mean of its divisors is an integer number (3591540).

Almost surely, 230328370 is an apocalyptic number.

30328370 is a deficient number, since it is larger than the sum of its proper divisors (27136270).

30328370 is a wasteful number, since it uses less digits than its factorization.

30328370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159649.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30328370 is about 5507.1199369543. The cubic root of 30328370 is about 311.8528302735.

The spelling of 30328370 in words is "thirty million, three hundred twenty-eight thousand, three hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 159623 319246 798115 1596230 3032837 6065674 15164185 30328370