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20411124 = 2233745971
BaseRepresentation
bin100110111011…
…1001011110100
31102101222210120
41031313023310
520211123444
62005251540
7335330436
oct115671364
942358716
1020411124
11105811a8
126a03bb0
1342c85b6
1429d4656
151bd2b19
hex13772f4

20411124 has 24 divisors (see below), whose sum is σ = 48914208. Its totient is φ = 6619680.

The previous prime is 20411107. The next prime is 20411129. The reversal of 20411124 is 42111402.

It is a super-2 number, since 2×204111242 = 833227965886752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22542 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (2038092).

Almost surely, 220411124 is an apocalyptic number.

It is an amenable number.

20411124 is an abundant number, since it is smaller than the sum of its proper divisors (28503084).

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

20411124 is a wasteful number, since it uses less digits than its factorization.

20411124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46015 (or 46013 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20411124 is about 4517.8671959233. The cubic root of 20411124 is about 273.2890978715.

Adding to 20411124 its reverse (42111402), we get a palindrome (62522526).

The spelling of 20411124 in words is "twenty million, four hundred eleven thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 45971 91942 137913 183884 275826 551652 1700927 3401854 5102781 6803708 10205562 20411124