Base | Representation |
---|---|
bin | 1001100010010… |
… | …1101000001110 |
3 | 2210021012201000 |
4 | 2120211220032 |
5 | 40220000024 |
6 | 3545201130 |
7 | 663665055 |
oct | 230455016 |
9 | 83235630 |
10 | 40000014 |
11 | 2064066a |
12 | 114901a6 |
13 | 8396862 |
14 | 545339c |
15 | 37a1cc9 |
hex | 2625a0e |
40000014 has 32 divisors (see below), whose sum is σ = 94119840. Its totient is φ = 12548736.
The previous prime is 40000003. The next prime is 40000021. The reversal of 40000014 is 41000004.
It is a super-2 number, since 2×400000142 = 3200002240000392, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 39999960 and 40000005.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20869 + ... + 22704.
It is an arithmetic number, because the mean of its divisors is an integer number (2941245).
Almost surely, 240000014 is an apocalyptic number.
40000014 is an abundant number, since it is smaller than the sum of its proper divisors (54119826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40000014 is a wasteful number, since it uses less digits than its factorization.
40000014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43601 (or 43595 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 40000014 is about 6324.5564271338. The cubic root of 40000014 is about 341.9952292348.
Adding to 40000014 its reverse (41000004), we get a palindrome (81000018).
The spelling of 40000014 in words is "forty million, fourteen", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •