Base | Representation |
---|---|
bin | 10000000000000… |
… | …011100011101100 |
3 | 200201010200012122 |
4 | 100000003203230 |
5 | 1022210400103 |
6 | 42345452112 |
7 | 6436534100 |
oct | 2000034354 |
9 | 621120178 |
10 | 268450028 |
11 | 128595530 |
12 | 75aa1038 |
13 | 43802492 |
14 | 2791d900 |
15 | 1887ab38 |
hex | 100038ec |
268450028 has 36 divisors (see below), whose sum is σ = 596173032. Its totient is φ = 104590080.
The previous prime is 268450019. The next prime is 268450037. The reversal of 268450028 is 820054862.
It is an interprime number because it is at equal distance from previous prime (268450019) and next prime (268450037).
It is a self number, because there is not a number n which added to its sum of digits gives 268450028.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60101 + ... + 64412.
It is an arithmetic number, because the mean of its divisors is an integer number (16560362).
Almost surely, 2268450028 is an apocalyptic number.
268450028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
268450028 is an abundant number, since it is smaller than the sum of its proper divisors (327723004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268450028 is a wasteful number, since it uses less digits than its factorization.
268450028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124542 (or 124533 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 268450028 is about 16384.4446961134. Note that the first 3 decimals coincide. The cubic root of 268450028 is about 645.0912500349.
The spelling of 268450028 in words is "two hundred sixty-eight million, four hundred fifty thousand, twenty-eight".
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