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30105224 = 233763153
BaseRepresentation
bin111001011010…
…1111010001000
32002122111121022
41302311322020
530201331344
62553132012
7513614222
oct162657210
962574538
1030105224
1115aa2556
12a0ba008
136310b56
143dd9412
15299a0ee
hex1cb5e88

30105224 has 8 divisors (see below), whose sum is σ = 56447310. Its totient is φ = 15052608.

The previous prime is 30105209. The next prime is 30105307. The reversal of 30105224 is 42250103.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 52900 = 5482^2 + 230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1881569 + ... + 1881584.

Almost surely, 230105224 is an apocalyptic number.

It is an amenable number.

30105224 is a deficient number, since it is larger than the sum of its proper divisors (26342086).

30105224 is a wasteful number, since it uses less digits than its factorization.

30105224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763159 (or 3763155 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30105224 is about 5486.8227600315. The cubic root of 30105224 is about 311.0861105005.

Adding to 30105224 its reverse (42250103), we get a palindrome (72355327).

The spelling of 30105224 in words is "thirty million, one hundred five thousand, two hundred twenty-four".

Divisors: 1 2 4 8 3763153 7526306 15052612 30105224