Base | Representation |
---|---|
bin | 10001110110000… |
… | …00100001100000 |
3 | 101102122212002120 |
4 | 20323000201200 |
5 | 301304430433 |
6 | 22504144240 |
7 | 3465212256 |
oct | 1073004140 |
9 | 342585076 |
10 | 149686368 |
11 | 77548647 |
12 | 42168080 |
13 | 2501c220 |
14 | 15c465d6 |
15 | d21b7b3 |
hex | 8ec0860 |
149686368 has 96 divisors (see below), whose sum is σ = 425660256. Its totient is φ = 45785088.
The previous prime is 149686333. The next prime is 149686373. The reversal of 149686368 is 863686941.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 149686368.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345480 + ... + 345912.
It is an arithmetic number, because the mean of its divisors is an integer number (4433961).
Almost surely, 2149686368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149686368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212830128).
149686368 is an abundant number, since it is smaller than the sum of its proper divisors (275973888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149686368 is a wasteful number, since it uses less digits than its factorization.
149686368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 736 (or 728 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 51.
The square root of 149686368 is about 12234.6380412336. The cubic root of 149686368 is about 530.9587109380.
The spelling of 149686368 in words is "one hundred forty-nine million, six hundred eighty-six thousand, three hundred sixty-eight".
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