Base | Representation |
---|---|
bin | 10001111000010… |
… | …10001110111110 |
3 | 101110020012020201 |
4 | 20330022032332 |
5 | 301344111121 |
6 | 22514434114 |
7 | 3500610430 |
oct | 1074121676 |
9 | 343205221 |
10 | 149988286 |
11 | 77734468 |
12 | 4229293a |
13 | 250c6786 |
14 | 15cc4650 |
15 | d27ae91 |
hex | 8f0a3be |
149988286 has 16 divisors (see below), whose sum is σ = 257793120. Its totient is φ = 64113120.
The previous prime is 149988283. The next prime is 149988341. The reversal of 149988286 is 682889941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149988283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8325 + ... + 19216.
It is an arithmetic number, because the mean of its divisors is an integer number (16112070).
Almost surely, 2149988286 is an apocalyptic number.
149988286 is a deficient number, since it is larger than the sum of its proper divisors (107804834).
149988286 is a wasteful number, since it uses less digits than its factorization.
149988286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27939.
The product of its digits is 1990656, while the sum is 55.
The square root of 149988286 is about 12246.9704825316. The cubic root of 149988286 is about 531.3154531396.
The spelling of 149988286 in words is "one hundred forty-nine million, nine hundred eighty-eight thousand, two hundred eighty-six".
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