Base | Representation |
---|---|
bin | 10010110101101… |
… | …01110100010101 |
3 | 102000100210221122 |
4 | 21122311310111 |
5 | 310423444000 |
6 | 23403053325 |
7 | 3626146100 |
oct | 1132656425 |
9 | 360323848 |
10 | 158031125 |
11 | 8122813a |
12 | 44b11245 |
13 | 26981555 |
14 | 16db9737 |
15 | dd19085 |
hex | 96b5d15 |
158031125 has 24 divisors (see below), whose sum is σ = 229431384. Its totient is φ = 108360000.
The previous prime is 158031119. The next prime is 158031127. The reversal of 158031125 is 521130851.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6421156 + 151609969 = 2534^2 + 12313^2 .
It is not a de Polignac number, because 158031125 - 210 = 158030101 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 158031094 and 158031103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158031127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6776 + ... + 19025.
It is an arithmetic number, because the mean of its divisors is an integer number (9559641).
Almost surely, 2158031125 is an apocalyptic number.
It is an amenable number.
158031125 is a deficient number, since it is larger than the sum of its proper divisors (71400259).
158031125 is an equidigital number, since it uses as much as digits as its factorization.
158031125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25830 (or 25813 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 26.
The square root of 158031125 is about 12571.0431150323. The cubic root of 158031125 is about 540.6475142929.
Adding to 158031125 its reverse (521130851), we get a palindrome (679161976).
The spelling of 158031125 in words is "one hundred fifty-eight million, thirty-one thousand, one hundred twenty-five".
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