Base | Representation |
---|---|
bin | 10010010110111… |
… | …01101100001111 |
3 | 101201210000111000 |
4 | 21023131230033 |
5 | 303411001033 |
6 | 23140431343 |
7 | 3546660003 |
oct | 1113355417 |
9 | 351700430 |
10 | 154000143 |
11 | 79a24650 |
12 | 436a8553 |
13 | 25b9c85b |
14 | 1664a703 |
15 | d7bea13 |
hex | 92ddb0f |
154000143 has 32 divisors (see below), whose sum is σ = 252334080. Its totient is φ = 92041920.
The previous prime is 154000123. The next prime is 154000159. The reversal of 154000143 is 341000451.
It is a happy number.
It is not a de Polignac number, because 154000143 - 29 = 153999631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154000123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18130 + ... + 25232.
It is an arithmetic number, because the mean of its divisors is an integer number (7885440).
Almost surely, 2154000143 is an apocalyptic number.
154000143 is a deficient number, since it is larger than the sum of its proper divisors (98333937).
154000143 is a wasteful number, since it uses less digits than its factorization.
154000143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7196 (or 7190 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 154000143 is about 12409.6794076237. The cubic root of 154000143 is about 536.0110070046.
Adding to 154000143 its reverse (341000451), we get a palindrome (495000594).
The spelling of 154000143 in words is "one hundred fifty-four million, one hundred forty-three", and thus it is an aban number.
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