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30816422 = 2713169321
BaseRepresentation
bin111010110001…
…1100010100110
32010222122011222
41311203202212
530342111142
63020300342
7522635540
oct165434246
963878158
1030816422
111643891a
12a3a16b2
1364cc790
144142690
152a8abd2
hex1d638a6

30816422 has 16 divisors (see below), whose sum is σ = 56892192. Its totient is φ = 12191040.

The previous prime is 30816419. The next prime is 30816433. The reversal of 30816422 is 22461803.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 30816391 and 30816400.

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 7 ways as a sum of consecutive naturals, for example, 84479 + ... + 84842.

It is an arithmetic number, because the mean of its divisors is an integer number (3555762).

Almost surely, 230816422 is an apocalyptic number.

30816422 is a deficient number, since it is larger than the sum of its proper divisors (26075770).

30816422 is a wasteful number, since it uses less digits than its factorization.

30816422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169343.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30816422 is about 5551.2540925452. The cubic root of 30816422 is about 313.5167421258.

The spelling of 30816422 in words is "thirty million, eight hundred sixteen thousand, four hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 182 169321 338642 1185247 2201173 2370494 4402346 15408211 30816422