Base | Representation |
---|---|
bin | 10001010111000… |
… | …01101110010101 |
3 | 101011000200010121 |
4 | 20223201232111 |
5 | 244240044203 |
6 | 22241151541 |
7 | 3415550404 |
oct | 1053415625 |
9 | 334020117 |
10 | 145628053 |
11 | 7522656a |
12 | 4092b5b1 |
13 | 2422ac5c |
14 | 154ab63b |
15 | cbb90bd |
hex | 8ae1b95 |
145628053 has 4 divisors (see below), whose sum is σ = 150649740. Its totient is φ = 140606368.
The previous prime is 145628039. The next prime is 145628071. The reversal of 145628053 is 350826541.
145628053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350826541 = 13 ⋅26986657.
It can be written as a sum of positive squares in 2 ways, for example, as 91355364 + 54272689 = 9558^2 + 7367^2 .
It is a cyclic number.
It is not a de Polignac number, because 145628053 - 213 = 145619861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145628753) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510800 + ... + 2510857.
It is an arithmetic number, because the mean of its divisors is an integer number (37662435).
Almost surely, 2145628053 is an apocalyptic number.
It is an amenable number.
145628053 is a deficient number, since it is larger than the sum of its proper divisors (5021687).
145628053 is an equidigital number, since it uses as much as digits as its factorization.
145628053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5021686.
The product of its (nonzero) digits is 28800, while the sum is 34.
The square root of 145628053 is about 12067.6448820803. The cubic root of 145628053 is about 526.1162077529.
The spelling of 145628053 in words is "one hundred forty-five million, six hundred twenty-eight thousand, fifty-three".
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