Base | Representation |
---|---|
bin | 111011100110101… |
… | …100101110011000 |
3 | 2120200200021200011 |
4 | 323212230232120 |
5 | 4022000003113 |
6 | 243121251304 |
7 | 33531602041 |
oct | 7346545630 |
9 | 2520607604 |
10 | 1000000408 |
11 | 473524120 |
12 | 23aa93b34 |
13 | 12c23a424 |
14 | 96b4b8c8 |
15 | 5cbd163d |
hex | 3b9acb98 |
1000000408 has 24 divisors (see below), whose sum is σ = 2046062340. Its totient is φ = 454410800.
The previous prime is 1000000403. The next prime is 1000000409. The reversal of 1000000408 is 8040000001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000000403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294963 + ... + 298333.
Almost surely, 21000000408 is an apocalyptic number.
It is an amenable number.
1000000408 is an abundant number, since it is smaller than the sum of its proper divisors (1046061932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000000408 is an frugal number, since it uses more digits than its factorization.
1000000408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6759 (or 3384 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1000000408 is about 31622.7830527296. The cubic root of 1000000408 is about 1000.0001360000. Note that the first 3 decimals are identical.
Adding to 1000000408 its reverse (8040000001), we get a palindrome (9040000409).
The spelling of 1000000408 in words is "one billion, four hundred eight", and thus it is an aban number.
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