Base | Representation |
---|---|
bin | 10001010111011… |
… | …11111011010110 |
3 | 101011010121221022 |
4 | 20223233323112 |
5 | 244243424410 |
6 | 22242321142 |
7 | 3416212124 |
oct | 1053577326 |
9 | 334117838 |
10 | 145686230 |
11 | 75266248 |
12 | 409591b2 |
13 | 2424b591 |
14 | 154c4914 |
15 | cbcb455 |
hex | 8aefed6 |
145686230 has 16 divisors (see below), whose sum is σ = 262377360. Its totient is φ = 58242912.
The previous prime is 145686223. The next prime is 145686251. The reversal of 145686230 is 32686541.
It is a super-2 number, since 2×1456862302 = 42448955223225800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26912 + ... + 31868.
It is an arithmetic number, because the mean of its divisors is an integer number (16398585).
Almost surely, 2145686230 is an apocalyptic number.
145686230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145686230 is a deficient number, since it is larger than the sum of its proper divisors (116691130).
145686230 is a wasteful number, since it uses less digits than its factorization.
145686230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7903.
The product of its (nonzero) digits is 34560, while the sum is 35.
The square root of 145686230 is about 12070.0550951518. The cubic root of 145686230 is about 526.1862578727.
The spelling of 145686230 in words is "one hundred forty-five million, six hundred eighty-six thousand, two hundred thirty".
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