Base | Representation |
---|---|
bin | 1001100010110… |
… | …0111110011111 |
3 | 2210022201222201 |
4 | 2120230332133 |
5 | 40221430421 |
6 | 3545552331 |
7 | 664151602 |
oct | 230547637 |
9 | 83281881 |
10 | 40030111 |
11 | 20661240 |
12 | 114a56a7 |
13 | 83a7474 |
14 | 5460339 |
15 | 37aab91 |
hex | 262cf9f |
40030111 has 8 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 36326040.
The previous prime is 40030103. The next prime is 40030117. The reversal of 40030111 is 11103004.
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 40030111 - 23 = 40030103 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 (40030117) 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, 3870 + ... + 9748.
It is an arithmetic number, because the mean of its divisors is an integer number (5468400).
Almost surely, 240030111 is an apocalyptic number.
40030111 is a deficient number, since it is larger than the sum of its proper divisors (3717089).
40030111 is a wasteful number, since it uses less digits than its factorization.
40030111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6509.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 40030111 is about 6326.9353560788. The cubic root of 40030111 is about 342.0809829541.
Adding to 40030111 its reverse (11103004), we get a palindrome (51133115).
The spelling of 40030111 in words is "forty million, thirty thousand, one hundred eleven".
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