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30071318 = 229518471
BaseRepresentation
bin111001010110…
…1101000010110
32002120210002112
41302231220112
530144240233
62552311022
7513413324
oct162555026
962523075
1030071318
1115a7a032
12a0a2472
1362cb5a4
143dcad14
152990048
hex1cada16

30071318 has 8 divisors (see below), whose sum is σ = 46662480. Its totient is φ = 14517160.

The previous prime is 30071291. The next prime is 30071323. The reversal of 30071318 is 81317003.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30071293 and 30071302.

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, 259178 + ... + 259293.

It is an arithmetic number, because the mean of its divisors is an integer number (5832810).

Almost surely, 230071318 is an apocalyptic number.

30071318 is a deficient number, since it is larger than the sum of its proper divisors (16591162).

30071318 is a wasteful number, since it uses less digits than its factorization.

30071318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518502.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 30071318 is about 5483.7321232898. The cubic root of 30071318 is about 310.9692797480.

The spelling of 30071318 in words is "thirty million, seventy-one thousand, three hundred eighteen".

Divisors: 1 2 29 58 518471 1036942 15035659 30071318