Base | Representation |
---|---|
bin | 1101101110111… |
… | …01000010010001 |
3 | 22000202202220001 |
4 | 12313131002101 |
5 | 213442401040 |
6 | 15233050001 |
7 | 2566120324 |
oct | 667350221 |
9 | 260682801 |
10 | 115200145 |
11 | 5a033635 |
12 | 326b6901 |
13 | 1ab36288 |
14 | 1142a7bb |
15 | a1a859a |
hex | 6ddd091 |
115200145 has 8 divisors (see below), whose sum is σ = 138740904. Its totient is φ = 91826304.
The previous prime is 115200133. The next prime is 115200157. The reversal of 115200145 is 541002511.
It is an interprime number because it is at equal distance from previous prime (115200133) and next prime (115200157).
It can be written as a sum of positive squares in 4 ways, for example, as 3179089 + 112021056 = 1783^2 + 10584^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 115200145 - 27 = 115200017 is a prime.
It is a Duffinian 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, 40204 + ... + 42973.
It is an arithmetic number, because the mean of its divisors is an integer number (17342613).
Almost surely, 2115200145 is an apocalyptic number.
It is an amenable number.
115200145 is a deficient number, since it is larger than the sum of its proper divisors (23540759).
115200145 is an equidigital number, since it uses as much as digits as its factorization.
115200145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83459.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 115200145 is about 10733.1330467855. The cubic root of 115200145 is about 486.5763637938.
Adding to 115200145 its reverse (541002511), we get a palindrome (656202656).
The spelling of 115200145 in words is "one hundred fifteen million, two hundred thousand, one hundred forty-five".
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