Base | Representation |
---|---|
bin | 10001010100101… |
… | …00110110110101 |
3 | 101010102200020120 |
4 | 20222110312311 |
5 | 244200010310 |
6 | 22230322153 |
7 | 3413066442 |
oct | 1052246665 |
9 | 333380216 |
10 | 145313205 |
11 | 75030a64 |
12 | 407b9359 |
13 | 2414a85b |
14 | 154289c9 |
15 | cb55b70 |
hex | 8a94db5 |
145313205 has 16 divisors (see below), whose sum is σ = 232654464. Its totient is φ = 77449280.
The previous prime is 145313173. The next prime is 145313221. The reversal of 145313205 is 502313541.
145313205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 145313205 - 25 = 145313173 is a prime.
It is a super-2 number, since 2×1453132052 = 42231855094744050, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35200 + ... + 39110.
It is an arithmetic number, because the mean of its divisors is an integer number (14540904).
Almost surely, 2145313205 is an apocalyptic number.
145313205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145313205 is a deficient number, since it is larger than the sum of its proper divisors (87341259).
145313205 is a wasteful number, since it uses less digits than its factorization.
145313205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6396.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 145313205 is about 12054.5926932435. The cubic root of 145313205 is about 525.7367795864.
Adding to 145313205 its reverse (502313541), we get a palindrome (647626746).
The spelling of 145313205 in words is "one hundred forty-five million, three hundred thirteen thousand, two hundred five".
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