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30068222 = 2192334403
BaseRepresentation
bin111001010110…
…0110111111110
32002120121211212
41302230313332
530144140342
62552244422
7513401312
oct162546776
962517755
1030068222
1115a77778
12a0a0712
1362ca062
143dc9b42
15298e182
hex1cacdfe

30068222 has 16 divisors (see below), whose sum is σ = 49541760. Its totient is φ = 13623192.

The previous prime is 30068221. The next prime is 30068231. The reversal of 30068222 is 22286003.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30068221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16328 + ... + 18075.

It is an arithmetic number, because the mean of its divisors is an integer number (3096360).

Almost surely, 230068222 is an apocalyptic number.

30068222 is a deficient number, since it is larger than the sum of its proper divisors (19473538).

30068222 is a wasteful number, since it uses less digits than its factorization.

30068222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34447.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30068222 is about 5483.4498265234. The cubic root of 30068222 is about 310.9586074087.

The spelling of 30068222 in words is "thirty million, sixty-eight thousand, two hundred twenty-two".

Divisors: 1 2 19 23 38 46 437 874 34403 68806 653657 791269 1307314 1582538 15034111 30068222