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20024030 = 25132337181
BaseRepresentation
bin100110001100…
…0101011011110
31101200022210202
41030120223132
520111232110
61553103502
7332126045
oct114305336
941608722
1020024030
1110337394
126857b92
1341c1350
14293355c
151b580a5
hex1318ade

20024030 has 64 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 6842880.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024030 is 3042002.

It is a Curzon number.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 110540 + ... + 110720.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 220024030 is an apocalyptic number.

20024030 is an abundant number, since it is smaller than the sum of its proper divisors (21803938).

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

20024030 is a wasteful number, since it uses less digits than its factorization.

20024030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20024030 is about 4474.8217841608. The cubic root of 20024030 is about 271.5504305747.

Adding to 20024030 its reverse (3042002), we get a palindrome (23066032).

The spelling of 20024030 in words is "twenty million, twenty-four thousand, thirty".

Divisors: 1 2 5 10 13 23 26 37 46 65 74 115 130 181 185 230 299 362 370 481 598 851 905 962 1495 1702 1810 2353 2405 2990 4163 4255 4706 4810 6697 8326 8510 11063 11765 13394 20815 22126 23530 33485 41630 54119 55315 66970 87061 108238 110630 154031 174122 270595 308062 435305 541190 770155 870610 1540310 2002403 4004806 10012015 20024030