Base | Representation |
---|---|
bin | 10001110100110… |
… | …10011110010000 |
3 | 101102100221022010 |
4 | 20322122132100 |
5 | 301234434022 |
6 | 22500542520 |
7 | 3463663005 |
oct | 1072323620 |
9 | 342327263 |
10 | 149530512 |
11 | 7745153a |
12 | 420b1a40 |
13 | 24c962c1 |
14 | 15c058ac |
15 | d1da50c |
hex | 8e9a790 |
149530512 has 40 divisors (see below), whose sum is σ = 386884960. Its totient is φ = 49766400.
The previous prime is 149530481. The next prime is 149530517. The reversal of 149530512 is 215035941.
It is a self number, because there is not a number n which added to its sum of digits gives 149530512.
It is not an unprimeable number, because it can be changed into a prime (149530517) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 34887 + ... + 38937.
It is an arithmetic number, because the mean of its divisors is an integer number (9672124).
Almost surely, 2149530512 is an apocalyptic number.
149530512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
149530512 is an abundant number, since it is smaller than the sum of its proper divisors (237354448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149530512 is a wasteful number, since it uses less digits than its factorization.
149530512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4831 (or 4825 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 149530512 is about 12228.2669254478. The cubic root of 149530512 is about 530.7743658528.
The spelling of 149530512 in words is "one hundred forty-nine million, five hundred thirty thousand, five hundred twelve".
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