Base | Representation |
---|---|
bin | 10001000100111… |
… | …10001001111110 |
3 | 100222120001201222 |
4 | 20202132021332 |
5 | 243133113032 |
6 | 22114233342 |
7 | 3356432363 |
oct | 1042361176 |
9 | 328501658 |
10 | 143254142 |
11 | 73954a59 |
12 | 3bb85852 |
13 | 238a9585 |
14 | 1505046a |
15 | c89aa12 |
hex | 889e27e |
143254142 has 8 divisors (see below), whose sum is σ = 222291000. Its totient is φ = 69157144.
The previous prime is 143254141. The next prime is 143254147. The reversal of 143254142 is 241452341.
143254142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143254141) 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, 1234892 + ... + 1235007.
It is an arithmetic number, because the mean of its divisors is an integer number (27786375).
Almost surely, 2143254142 is an apocalyptic number.
143254142 is a deficient number, since it is larger than the sum of its proper divisors (79036858).
143254142 is a wasteful number, since it uses less digits than its factorization.
143254142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2469930.
The product of its digits is 3840, while the sum is 26.
The square root of 143254142 is about 11968.8822368674. The cubic root of 143254142 is about 523.2417577695.
The spelling of 143254142 in words is "one hundred forty-three million, two hundred fifty-four thousand, one hundred forty-two".
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