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30203122 = 2197910061
BaseRepresentation
bin111001100110…
…1110011110010
32002211110220011
41303031303302
530212444442
62555205134
7514502515
oct163156362
962743804
1030203122
111605a064
12a1467aa
136346591
144022d7c
1529b9117
hex1ccdcf2

30203122 has 16 divisors (see below), whose sum is σ = 48297600. Its totient is φ = 14124240.

The previous prime is 30203099. The next prime is 30203153. The reversal of 30203122 is 22130203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (3018600).

Almost surely, 230203122 is an apocalyptic number.

30203122 is a deficient number, since it is larger than the sum of its proper divisors (18094478).

30203122 is a wasteful number, since it uses less digits than its factorization.

30203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30203122 is about 5495.7367113063. The cubic root of 30203122 is about 311.4229485640.

Adding to 30203122 its reverse (22130203), we get a palindrome (52333325).

The spelling of 30203122 in words is "thirty million, two hundred three thousand, one hundred twenty-two".

Divisors: 1 2 19 38 79 158 1501 3002 10061 20122 191159 382318 794819 1589638 15101561 30203122