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20024486 = 297233443
BaseRepresentation
bin100110001100…
…0110010100110
31101200100102122
41030120302212
520111240421
61553105542
7332130266
oct114306246
941610378
1020024486
1110337769
1268582b2
1341c1611
1429337a6
151b582ab
hex1318ca6

20024486 has 16 divisors (see below), whose sum is σ = 30545424. Its totient is φ = 9844224.

The previous prime is 20024483. The next prime is 20024509. The reversal of 20024486 is 68442002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44981 + ... + 45423.

It is an arithmetic number, because the mean of its divisors is an integer number (1909089).

Almost surely, 220024486 is an apocalyptic number.

20024486 is a deficient number, since it is larger than the sum of its proper divisors (10520938).

20024486 is a wasteful number, since it uses less digits than its factorization.

20024486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20024486 is about 4474.8727356205. The cubic root of 20024486 is about 271.5524918657.

Adding to 20024486 its reverse (68442002), we get a palindrome (88466488).

The spelling of 20024486 in words is "twenty million, twenty-four thousand, four hundred eighty-six".

Divisors: 1 2 97 194 233 443 466 886 22601 42971 45202 85942 103219 206438 10012243 20024486