Base | Representation |
---|---|
bin | 1001100100101… |
… | …1011011001001 |
3 | 2210120002001202 |
4 | 2121023123021 |
5 | 40234423300 |
6 | 3552353545 |
7 | 665211314 |
oct | 231133311 |
9 | 83502052 |
10 | 40154825 |
11 | 20736a07 |
12 | 115458b5 |
13 | 841c169 |
14 | 549397b |
15 | 37d2ad5 |
hex | 264b6c9 |
40154825 has 12 divisors (see below), whose sum is σ = 49871808. Its totient is φ = 32072400.
The previous prime is 40154813. The next prime is 40154839. The reversal of 40154825 is 52845104.
40154825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40154825 - 212 = 40150729 is a prime.
It is a super-3 number, since 3×401548253 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25820 + ... + 27330.
It is an arithmetic number, because the mean of its divisors is an integer number (4155984).
Almost surely, 240154825 is an apocalyptic number.
It is an amenable number.
40154825 is a deficient number, since it is larger than the sum of its proper divisors (9716983).
40154825 is a wasteful number, since it uses less digits than its factorization.
40154825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2584 (or 2579 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 40154825 is about 6336.7834900681. The cubic root of 40154825 is about 342.4358663016.
Adding to 40154825 its reverse (52845104), we get a palindrome (92999929).
The spelling of 40154825 in words is "forty million, one hundred fifty-four thousand, eight hundred twenty-five".
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