Base | Representation |
---|---|
bin | 10001101011011… |
… | …11010011010001 |
3 | 101100001200100200 |
4 | 20311233103101 |
5 | 300431230410 |
6 | 22414405413 |
7 | 3450400254 |
oct | 1065572321 |
9 | 340050320 |
10 | 148305105 |
11 | 76794903 |
12 | 41800869 |
13 | 24957600 |
14 | 159a709b |
15 | d0473c0 |
hex | 8d6f4d1 |
148305105 has 36 divisors (see below), whose sum is σ = 278371548. Its totient is φ = 73008000.
The previous prime is 148305037. The next prime is 148305169. The reversal of 148305105 is 501503841.
148305105 is a `hidden beast` number, since 148 + 3 + 0 + 510 + 5 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 27217089 + 121088016 = 5217^2 + 11004^2 .
It is not a de Polignac number, because 148305105 - 27 = 148304977 is a prime.
It is a super-2 number, since 2×1483051052 = 43988808338122050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2146 + ... + 17355.
It is an arithmetic number, because the mean of its divisors is an integer number (7732543).
Almost surely, 2148305105 is an apocalyptic number.
148305105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
148305105 is a deficient number, since it is larger than the sum of its proper divisors (130066443).
148305105 is a wasteful number, since it uses less digits than its factorization.
148305105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19538 (or 19522 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 148305105 is about 12178.0583427737. The cubic root of 148305105 is about 529.3204831401.
Adding to 148305105 its reverse (501503841), we get a palindrome (649808946).
The spelling of 148305105 in words is "one hundred forty-eight million, three hundred five thousand, one hundred five".
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