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20051124 = 2232372649
BaseRepresentation
bin100110001111…
…1010010110100
31101201200222020
41030133102310
520113113444
61553433140
7332301042
oct114372264
941650866
1020051124
1110355785
12686b7b0
134200792
14293d392
151b61119
hex131f4b4

20051124 has 24 divisors (see below), whose sum is σ = 48820800. Its totient is φ = 6393024.

The previous prime is 20051117. The next prime is 20051131. The reversal of 20051124 is 42115002.

20051124 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (20051117) and next prime (20051131).

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 7 ways as a sum of consecutive naturals, for example, 36049 + ... + 36600.

It is an arithmetic number, because the mean of its divisors is an integer number (2034200).

Almost surely, 220051124 is an apocalyptic number.

It is an amenable number.

20051124 is an abundant number, since it is smaller than the sum of its proper divisors (28769676).

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

20051124 is a wasteful number, since it uses less digits than its factorization.

20051124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72679 (or 72677 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20051124 is about 4477.8481439191. The cubic root of 20051124 is about 271.6728513444.

Adding to 20051124 its reverse (42115002), we get a palindrome (62166126).

The spelling of 20051124 in words is "twenty million, fifty-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 72649 145298 217947 290596 435894 871788 1670927 3341854 5012781 6683708 10025562 20051124