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30320382 = 235053397
BaseRepresentation
bin111001110101…
…0011011111110
32010001102202010
41303222123332
530230223012
63001512050
7515501421
oct163523376
963042663
1030320382
111612a174
12a1a2626
136387a71
1440539b8
1529ddc3c
hex1cea6fe

30320382 has 8 divisors (see below), whose sum is σ = 60640776. Its totient is φ = 10106792.

The previous prime is 30320377. The next prime is 30320393. The reversal of 30320382 is 28302303.

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

30320382 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526693 + ... + 2526704.

It is an arithmetic number, because the mean of its divisors is an integer number (7580097).

Almost surely, 230320382 is an apocalyptic number.

30320382 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.

30320382 is a wasteful number, since it uses less digits than its factorization.

30320382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053402.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30320382 is about 5506.3946462272. The cubic root of 30320382 is about 311.8254488795.

Adding to 30320382 its reverse (28302303), we get a palindrome (58622685).

The spelling of 30320382 in words is "thirty million, three hundred twenty thousand, three hundred eighty-two".

Divisors: 1 2 3 6 5053397 10106794 15160191 30320382