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30530222 = 283183917
BaseRepresentation
bin111010001110…
…1101010101110
32010110002120222
41310131222232
530303431342
63010211342
7520334252
oct164355256
963402528
1030530222
1116262898
12a283b52
13642c428
1440aa262
152a30ed2
hex1d1daae

30530222 has 8 divisors (see below), whose sum is σ = 46347336. Its totient is φ = 15081112.

The previous prime is 30530219. The next prime is 30530233. The reversal of 30530222 is 22203503.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30530222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91793 + ... + 92124.

It is an arithmetic number, because the mean of its divisors is an integer number (5793417).

Almost surely, 230530222 is an apocalyptic number.

30530222 is a deficient number, since it is larger than the sum of its proper divisors (15817114).

30530222 is a wasteful number, since it uses less digits than its factorization.

30530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184002.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 30530222 is about 5525.4160024382. The cubic root of 30530222 is about 312.5431518011.

Adding to 30530222 its reverse (22203503), we get a palindrome (52733725).

The spelling of 30530222 in words is "thirty million, five hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 83 166 183917 367834 15265111 30530222