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30122200 = 2352150611
BaseRepresentation
bin111001011101…
…0000011011000
32002200100220001
41302322003120
530202402300
62553342344
7514014553
oct162720330
962610801
1030122200
1116004289
12a1079b4
1363187b4
14400169a
1529a016a
hex1cba0d8

30122200 has 24 divisors (see below), whose sum is σ = 70034580. Its totient is φ = 12048800.

The previous prime is 30122161. The next prime is 30122221. The reversal of 30122200 is 222103.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75106 + ... + 75505.

Almost surely, 230122200 is an apocalyptic number.

It is an amenable number.

30122200 is an abundant number, since it is smaller than the sum of its proper divisors (39912380).

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

30122200 is a wasteful number, since it uses less digits than its factorization.

30122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150627 (or 150618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30122200 is about 5488.3695210873. The cubic root of 30122200 is about 311.1445721758.

Adding to 30122200 its reverse (222103), we get a palindrome (30344303).

The spelling of 30122200 in words is "thirty million, one hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 150611 301222 602444 753055 1204888 1506110 3012220 3765275 6024440 7530550 15061100 30122200