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30708382 = 289172519
BaseRepresentation
bin111010100100…
…1001010011110
32010210010222111
41311021022132
530330132012
63014104234
7522005545
oct165111236
963703874
1030708382
1116374731
12a34b07a
136492553
14411515c
152a68ba7
hex1d4929e

30708382 has 8 divisors (see below), whose sum is σ = 46580400. Its totient is φ = 15181584.

The previous prime is 30708373. The next prime is 30708397. The reversal of 30708382 is 28380703.

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

It is a congruent number.

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, 86082 + ... + 86437.

It is an arithmetic number, because the mean of its divisors is an integer number (5822550).

Almost surely, 230708382 is an apocalyptic number.

30708382 is a deficient number, since it is larger than the sum of its proper divisors (15872018).

30708382 is a wasteful number, since it uses less digits than its factorization.

30708382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172610.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 30708382 is about 5541.5144139486. The cubic root of 30708382 is about 313.1499246032.

The spelling of 30708382 in words is "thirty million, seven hundred eight thousand, three hundred eighty-two".

Divisors: 1 2 89 178 172519 345038 15354191 30708382