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41797665 = 32571359173
BaseRepresentation
bin1001111101110…
…0100000100001
32220122112121200
42133130200201
541200011130
64051511413
71015163040
oct237344041
986575550
1041797665
1121659228
1211bb8569
138875b60
1457a0557
153a09760
hex27dc821

41797665 has 96 divisors (see below), whose sum is σ = 91203840. Its totient is φ = 17238528.

The previous prime is 41797649. The next prime is 41797667. The reversal of 41797665 is 56679714.

It is a happy number.

It is not a de Polignac number, because 41797665 - 24 = 41797649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 41797665.

It is not an unprimeable number, because it can be changed into a prime (41797667) 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, 241519 + ... + 241691.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

It is a vampire number, since it can be written as 61956747 (with its own digits).

Almost surely, 241797665 is an apocalyptic number.

41797665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41797665 is an abundant number, since it is smaller than the sum of its proper divisors (49406175).

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

41797665 is a wasteful number, since it uses less digits than its factorization.

41797665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 260 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 41797665 is about 6465.1113679503. Note that the first 3 decimals coincide. The cubic root of 41797665 is about 347.0435737733.

The spelling of 41797665 in words is "forty-one million, seven hundred ninety-seven thousand, six hundred sixty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 59 63 65 91 105 117 173 177 195 273 295 315 413 455 519 531 585 767 819 865 885 1211 1239 1365 1557 2065 2249 2301 2595 2655 3633 3717 3835 4095 5369 6055 6195 6747 6903 7785 10207 10899 11245 11505 15743 16107 18165 18585 20241 26845 30621 33735 34515 47229 48321 51035 54495 71449 78715 80535 91863 101205 132691 141687 153105 214347 236145 241605 357245 398073 459315 643041 663455 708435 928837 1071735 1194219 1990365 2786511 3215205 4644185 5971095 8359533 13932555 41797665