Base | Representation |
---|---|
bin | 1001100100000… |
… | …0000011110000 |
3 | 2210110201012120 |
4 | 2121000003300 |
5 | 40231431042 |
6 | 3551354240 |
7 | 664625511 |
oct | 231000360 |
9 | 83421176 |
10 | 40108272 |
11 | 20704a36 |
12 | 11522980 |
13 | 8403c09 |
14 | 5480a08 |
15 | 37c3dec |
hex | 26400f0 |
40108272 has 40 divisors (see below), whose sum is σ = 103899600. Its totient is φ = 13332480.
The previous prime is 40108261. The next prime is 40108279. The reversal of 40108272 is 27280104.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40108279) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20622 + ... + 22482.
It is an arithmetic number, because the mean of its divisors is an integer number (2597490).
Almost surely, 240108272 is an apocalyptic number.
It is an amenable number.
40108272 is an abundant number, since it is smaller than the sum of its proper divisors (63791328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40108272 is a wasteful number, since it uses less digits than its factorization.
40108272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2321 (or 2315 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 40108272 is about 6333.1091890161. The cubic root of 40108272 is about 342.3034821996.
Adding to 40108272 its reverse (27280104), we get a palindrome (67388376).
The spelling of 40108272 in words is "forty million, one hundred eight thousand, two hundred seventy-two".
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