Base | Representation |
---|---|
bin | 10001110111010… |
… | …10001000111110 |
3 | 101102222111220222 |
4 | 20323222020332 |
5 | 301330404310 |
6 | 22511541342 |
7 | 3466522244 |
oct | 1073521076 |
9 | 342874828 |
10 | 149856830 |
11 | 77654722 |
12 | 4222a852 |
13 | 2507b9a6 |
14 | 15c8c794 |
15 | d252055 |
hex | 8eea23e |
149856830 has 8 divisors (see below), whose sum is σ = 269742312. Its totient is φ = 59942728.
The previous prime is 149856829. The next prime is 149856841. The reversal of 149856830 is 38658941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7492832 + ... + 7492851.
It is an arithmetic number, because the mean of its divisors is an integer number (33717789).
Almost surely, 2149856830 is an apocalyptic number.
149856830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149856830 is a deficient number, since it is larger than the sum of its proper divisors (119885482).
149856830 is a wasteful number, since it uses less digits than its factorization.
149856830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14985690.
The product of its (nonzero) digits is 207360, while the sum is 44.
The square root of 149856830 is about 12241.6024277870. The cubic root of 149856830 is about 531.1601854163.
The spelling of 149856830 in words is "one hundred forty-nine million, eight hundred fifty-six thousand, eight hundred thirty".
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