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20441148 = 22371318719
BaseRepresentation
bin100110111111…
…0100000111100
31102110111222120
41031332200330
520213104043
62010042540
7335514120
oct115764074
942414876
1020441148
11105a1812
126a19450
134309170
142a01580
151bdb983
hex137e83c

20441148 has 48 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 5390784.

The previous prime is 20441147. The next prime is 20441159. The reversal of 20441148 is 84114402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 220441148 is an apocalyptic number.

20441148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20441148 is an abundant number, since it is smaller than the sum of its proper divisors (38264772).

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

20441148 is a wasteful number, since it uses less digits than its factorization.

20441148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18746 (or 18744 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 20441148 is about 4521.1887817254. The cubic root of 20441148 is about 273.4230315697.

The spelling of 20441148 in words is "twenty million, four hundred forty-one thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 18719 37438 56157 74876 112314 131033 224628 243347 262066 393099 486694 524132 730041 786198 973388 1460082 1572396 1703429 2920164 3406858 5110287 6813716 10220574 20441148