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41543145 = 335743961
BaseRepresentation
bin1001111001111…
…0010111101001
32220011121111000
42132132113221
541113340040
64042225213
71013053020
oct236362751
986147430
1041543145
11214a4a86
1211ab5209
1387b7057
1457358b7
1539a9130
hex279e5e9

41543145 has 32 divisors (see below), whose sum is σ = 84407040. Its totient is φ = 18990720.

The previous prime is 41543111. The next prime is 41543171. The reversal of 41543145 is 54134514.

It is a happy number.

It is not a de Polignac number, because 41543145 - 26 = 41543081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21036 + ... + 22925.

It is an arithmetic number, because the mean of its divisors is an integer number (2637720).

Almost surely, 241543145 is an apocalyptic number.

41543145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41543145 is an abundant number, since it is smaller than the sum of its proper divisors (42863895).

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

41543145 is a wasteful number, since it uses less digits than its factorization.

41543145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43982 (or 43976 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 41543145 is about 6445.3971948981. The cubic root of 41543145 is about 346.3377175269.

Adding to 41543145 its reverse (54134514), we get a palindrome (95677659).

The spelling of 41543145 in words is "forty-one million, five hundred forty-three thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 43961 131883 219805 307727 395649 659415 923181 1186947 1538635 1978245 2769543 4615905 5934735 8308629 13847715 41543145