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30020122 = 2114729033
BaseRepresentation
bin111001010000…
…1001000011010
32002111011212101
41302201020122
530141120442
62551234014
7513111136
oct162411032
962434771
1030020122
1115a44620
12a07890a
1362b11b2
143db63c6
15297ecb7
hex1ca121a

30020122 has 16 divisors (see below), whose sum is σ = 50170752. Its totient is φ = 13354720.

The previous prime is 30020119. The next prime is 30020173. The reversal of 30020122 is 22102003.

It is a junction number, because it is equal to n+sod(n) for n = 30020099 and 30020108.

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, 13483 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (3135672).

Almost surely, 230020122 is an apocalyptic number.

30020122 is a deficient number, since it is larger than the sum of its proper divisors (20150630).

30020122 is a wasteful number, since it uses less digits than its factorization.

30020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29093.

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

The square root of 30020122 is about 5479.0621460246. The cubic root of 30020122 is about 310.7927058829.

Adding to 30020122 its reverse (22102003), we get a palindrome (52122125).

The spelling of 30020122 in words is "thirty million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 47 94 517 1034 29033 58066 319363 638726 1364551 2729102 15010061 30020122