Search a number
-
+
43113105 = 3257178397
BaseRepresentation
bin1010010001110…
…1101010010001
310000010101001200
42210131222101
542014104410
64140021413
71032312120
oct244355221
9100111050
1043113105
1122377572
1212531869
138c16819
145a23ab7
153bb93c0
hex291da91

43113105 has 96 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 18137088.

The previous prime is 43113079. The next prime is 43113107. The reversal of 43113105 is 50131134.

It is not a de Polignac number, because 43113105 - 25 = 43113073 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113107) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 444417 + ... + 444513.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 243113105 is an apocalyptic number.

43113105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43113105 is an abundant number, since it is smaller than the sum of its proper divisors (49348719).

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

43113105 is a wasteful number, since it uses less digits than its factorization.

43113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 43113105 is about 6566.0570359996. The cubic root of 43113105 is about 350.6467090756.

Adding to 43113105 its reverse (50131134), we get a palindrome (93244239).

The spelling of 43113105 in words is "forty-three million, one hundred thirteen thousand, one hundred five".

Divisors: 1 3 5 7 9 15 17 21 35 45 51 63 83 85 97 105 119 153 249 255 291 315 357 415 485 581 595 679 747 765 873 1071 1245 1411 1455 1649 1743 1785 2037 2905 3395 3735 4233 4365 4947 5229 5355 6111 7055 8051 8245 8715 9877 10185 11543 12699 14841 21165 24153 24735 26145 29631 30555 34629 40255 49385 56357 57715 63495 72459 74205 88893 103887 120765 136867 148155 169071 173145 281785 362295 410601 444465 507213 519435 684335 845355 958069 1231803 2053005 2536065 2874207 4790345 6159015 8622621 14371035 43113105