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20024043 = 3131961443
BaseRepresentation
bin100110001100…
…0101011101011
31101200022211020
41030120223223
520111232133
61553103523
7332126064
oct114305353
941608736
1020024043
11103373a6
126857ba3
1341c1360
14293356b
151b580b3
hex1318aeb

20024043 has 32 divisors (see below), whose sum is σ = 30831360. Its totient is φ = 11456640.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024043 is 34042002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20024009) and next prime (20024077).

It is not a de Polignac number, because 20024043 - 216 = 19958507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20024083) by changing a digit.

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, 44980 + ... + 45422.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 220024043 is an apocalyptic number.

20024043 is a deficient number, since it is larger than the sum of its proper divisors (10807317).

20024043 is a wasteful number, since it uses less digits than its factorization.

20024043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20024043 is about 4474.8232367324. The cubic root of 20024043 is about 271.5504893401.

Adding to 20024043 its reverse (34042002), we get a palindrome (54066045).

The spelling of 20024043 in words is "twenty million, twenty-four thousand, forty-three".

Divisors: 1 3 13 19 39 57 61 183 247 443 741 793 1159 1329 2379 3477 5759 8417 15067 17277 25251 27023 45201 81069 109421 328263 351299 513437 1053897 1540311 6674681 20024043