Base | Representation |
---|---|
bin | 10001110001110… |
… | …11100010100001 |
3 | 101101122011220101 |
4 | 20320323202201 |
5 | 301140013130 |
6 | 22444342401 |
7 | 3460453231 |
oct | 1070734241 |
9 | 341564811 |
10 | 149141665 |
11 | 77206382 |
12 | 41b44a01 |
13 | 24b8b30a |
14 | 15b43cc1 |
15 | d1601ca |
hex | 8e3b8a1 |
149141665 has 8 divisors (see below), whose sum is σ = 181641600. Its totient is φ = 117532272.
The previous prime is 149141653. The next prime is 149141687. The reversal of 149141665 is 566141941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 149141665 - 25 = 149141633 is a prime.
It is an unprimeable number.
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, 222265 + ... + 222934.
It is an arithmetic number, because the mean of its divisors is an integer number (22705200).
Almost surely, 2149141665 is an apocalyptic number.
It is an amenable number.
149141665 is a deficient number, since it is larger than the sum of its proper divisors (32499935).
149141665 is an equidigital number, since it uses as much as digits as its factorization.
149141665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445271.
The product of its digits is 25920, while the sum is 37.
The square root of 149141665 is about 12212.3570615995. The cubic root of 149141665 is about 530.3138819500.
The spelling of 149141665 in words is "one hundred forty-nine million, one hundred forty-one thousand, six hundred sixty-five".
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