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30033222 = 2373191359
BaseRepresentation
bin111001010010…
…0010101000110
32002111211211120
41302210111012
530142030342
62551414410
7513164262
oct162442506
962454746
1030033222
1115a5344a
12a084406
1362b714b
143dbb0a2
152983aec
hex1ca4546

30033222 has 32 divisors (see below), whose sum is σ = 61378560. Its totient is φ = 9794880.

The previous prime is 30033151. The next prime is 30033229. The reversal of 30033222 is 22233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83479 + ... + 83837.

It is an arithmetic number, because the mean of its divisors is an integer number (1918080).

Almost surely, 230033222 is an apocalyptic number.

30033222 is an abundant number, since it is smaller than the sum of its proper divisors (31345338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30033222 is a wasteful number, since it uses less digits than its factorization.

30033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30033222 is about 5480.2574757031. The cubic root of 30033222 is about 310.8379065917.

Adding to 30033222 its reverse (22233003), we get a palindrome (52266225).

The spelling of 30033222 in words is "thirty million, thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 73 146 191 219 359 382 438 573 718 1077 1146 2154 13943 26207 27886 41829 52414 68569 78621 83658 137138 157242 205707 411414 5005537 10011074 15016611 30033222