Base | Representation |
---|---|
bin | 10001110001110… |
… | …00011100001000 |
3 | 101101121112111010 |
4 | 20320320130020 |
5 | 301134111333 |
6 | 22444203520 |
7 | 3460401222 |
oct | 1070703410 |
9 | 341545433 |
10 | 149128968 |
11 | 771a788a |
12 | 41b395a0 |
13 | 24b855c1 |
14 | 15b3d412 |
15 | d15b563 |
hex | 8e38708 |
149128968 has 32 divisors (see below), whose sum is σ = 378077760. Its totient is φ = 49008960.
The previous prime is 149128963. The next prime is 149129041. The reversal of 149128968 is 869821941.
It is not an unprimeable number, because it can be changed into a prime (149128961) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 42055 + ... + 45462.
It is an arithmetic number, because the mean of its divisors is an integer number (11814930).
Almost surely, 2149128968 is an apocalyptic number.
It is an amenable number.
149128968 is an abundant number, since it is smaller than the sum of its proper divisors (228948792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149128968 is a wasteful number, since it uses less digits than its factorization.
149128968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87597 (or 87593 counting only the distinct ones).
The product of its digits is 248832, while the sum is 48.
The square root of 149128968 is about 12211.8372082173. The cubic root of 149128968 is about 530.2988323070.
The spelling of 149128968 in words is "one hundred forty-nine million, one hundred twenty-eight thousand, nine hundred sixty-eight".
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