Base | Representation |
---|---|
bin | 1001100010110… |
… | …1001101111101 |
3 | 2210022210100101 |
4 | 2120231031331 |
5 | 40221443401 |
6 | 3550001101 |
7 | 664154515 |
oct | 230551575 |
9 | 83283311 |
10 | 40031101 |
11 | 20661a60 |
12 | 114a6191 |
13 | 83a7a56 |
14 | 5460845 |
15 | 37ab101 |
hex | 262d37d |
40031101 has 8 divisors (see below), whose sum is σ = 43756704. Its totient is φ = 36319920.
The previous prime is 40031071. The next prime is 40031113. The reversal of 40031101 is 10113004.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40031101 - 27 = 40030973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40031171) 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, 2691 + ... + 9343.
It is an arithmetic number, because the mean of its divisors is an integer number (5469588).
Almost surely, 240031101 is an apocalyptic number.
It is an amenable number.
40031101 is a deficient number, since it is larger than the sum of its proper divisors (3725603).
40031101 is a wasteful number, since it uses less digits than its factorization.
40031101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7211.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 40031101 is about 6327.0135925253. The cubic root of 40031101 is about 342.0838029761.
Adding to 40031101 its reverse (10113004), we get a palindrome (50144105).
The spelling of 40031101 in words is "forty million, thirty-one thousand, one hundred one".
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