Base | Representation |
---|---|
bin | 10001010010101… |
… | …00101011000001 |
3 | 101002221022121112 |
4 | 20221110223001 |
5 | 244113102210 |
6 | 22220533105 |
7 | 3410623121 |
oct | 1051245301 |
9 | 332838545 |
10 | 145050305 |
11 | 74971494 |
12 | 406b1195 |
13 | 24087caa |
14 | 1539ac81 |
15 | cb02d05 |
hex | 8a54ac1 |
145050305 has 16 divisors (see below), whose sum is σ = 181954944. Its totient is φ = 110795520.
The previous prime is 145050289. The next prime is 145050317. The reversal of 145050305 is 503050541.
It is not a de Polignac number, because 145050305 - 24 = 145050289 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111710 + ... + 113000.
It is an arithmetic number, because the mean of its divisors is an integer number (11372184).
Almost surely, 2145050305 is an apocalyptic number.
It is an amenable number.
145050305 is a deficient number, since it is larger than the sum of its proper divisors (36904639).
145050305 is a wasteful number, since it uses less digits than its factorization.
145050305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2296.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 145050305 is about 12043.6831990882. The cubic root of 145050305 is about 525.4195346473.
The spelling of 145050305 in words is "one hundred forty-five million, fifty thousand, three hundred five".
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