Base | Representation |
---|---|
bin | 10001110001000… |
… | …11101111001000 |
3 | 101101110020011101 |
4 | 20320203233020 |
5 | 301123403133 |
6 | 22442311144 |
7 | 3456566050 |
oct | 1070435710 |
9 | 341406141 |
10 | 149044168 |
11 | 7714a0a9 |
12 | 41ab84b4 |
13 | 24b55b20 |
14 | 15b1a560 |
15 | d14137d |
hex | 8e23bc8 |
149044168 has 64 divisors (see below), whose sum is σ = 364210560. Its totient is φ = 55489536.
The previous prime is 149044153. The next prime is 149044169. The reversal of 149044168 is 861440941.
It is not an unprimeable number, because it can be changed into a prime (149044169) 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 15 ways as a sum of consecutive naturals, for example, 6355 + ... + 18397.
It is an arithmetic number, because the mean of its divisors is an integer number (5690790).
Almost surely, 2149044168 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 149044168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182105280).
149044168 is an abundant number, since it is smaller than the sum of its proper divisors (215166392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149044168 is a wasteful number, since it uses less digits than its factorization.
149044168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12086 (or 12082 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 149044168 is about 12208.3646734524. The cubic root of 149044168 is about 530.1982976982.
The spelling of 149044168 in words is "one hundred forty-nine million, forty-four thousand, one hundred sixty-eight".
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