Base | Representation |
---|---|
bin | 1010000000100… |
… | …1001010100101 |
3 | 2220222211112100 |
4 | 2200021022211 |
5 | 41221334311 |
6 | 4055442313 |
7 | 1016554236 |
oct | 240111245 |
9 | 86884470 |
10 | 41980581 |
11 | 217736a5 |
12 | 12086399 |
13 | 890b1a6 |
14 | 580b08d |
15 | 3a43a56 |
hex | 28092a5 |
41980581 has 12 divisors (see below), whose sum is σ = 60715980. Its totient is φ = 27951360.
The previous prime is 41980579. The next prime is 41980583. The reversal of 41980581 is 18508914.
It is an interprime number because it is at equal distance from previous prime (41980579) and next prime (41980583).
It can be written as a sum of positive squares in 2 ways, for example, as 17388900 + 24591681 = 4170^2 + 4959^2 .
It is not a de Polignac number, because 41980581 - 21 = 41980579 is a prime.
It is a super-2 number, since 2×419805812 = 3524738362195122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (41980583) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5851 + ... + 10871.
It is an arithmetic number, because the mean of its divisors is an integer number (5059665).
Almost surely, 241980581 is an apocalyptic number.
It is an amenable number.
41980581 is a deficient number, since it is larger than the sum of its proper divisors (18735399).
41980581 is a wasteful number, since it uses less digits than its factorization.
41980581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5956 (or 5953 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 41980581 is about 6479.2423168145. The cubic root of 41980581 is about 347.5490840384.
The spelling of 41980581 in words is "forty-one million, nine hundred eighty thousand, five hundred eighty-one".
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