Base | Representation |
---|---|
bin | 10010111000111… |
… | …00100110101110 |
3 | 102001011012110212 |
4 | 21130130212232 |
5 | 311030432032 |
6 | 23420102422 |
7 | 3632551412 |
oct | 1134344656 |
9 | 361135425 |
10 | 158452142 |
11 | 81495492 |
12 | 45094a12 |
13 | 26a9b084 |
14 | 17088d42 |
15 | dd9dbb2 |
hex | 971c9ae |
158452142 has 8 divisors (see below), whose sum is σ = 237939600. Its totient is φ = 79138944.
The previous prime is 158452141. The next prime is 158452157. The reversal of 158452142 is 241254851.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 158452099 and 158452108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158452141) 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, 41267 + ... + 44942.
It is an arithmetic number, because the mean of its divisors is an integer number (29742450).
Almost surely, 2158452142 is an apocalyptic number.
158452142 is a deficient number, since it is larger than the sum of its proper divisors (79487458).
158452142 is an equidigital number, since it uses as much as digits as its factorization.
158452142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87130.
The product of its digits is 12800, while the sum is 32.
The square root of 158452142 is about 12587.7774845284. Note that the first 3 decimals coincide. The cubic root of 158452142 is about 541.1272087295.
The spelling of 158452142 in words is "one hundred fifty-eight million, four hundred fifty-two thousand, one hundred forty-two".
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