Base | Representation |
---|---|
bin | 10000111110100… |
… | …11100001011010 |
3 | 100220222220012200 |
4 | 20133103201122 |
5 | 242430033104 |
6 | 22044351030 |
7 | 3346404525 |
oct | 1037234132 |
9 | 326886180 |
10 | 142424154 |
11 | 73438414 |
12 | 3b845476 |
13 | 23678862 |
14 | 14cb5bbc |
15 | c784b39 |
hex | 87d385a |
142424154 has 24 divisors (see below), whose sum is σ = 312934752. Its totient is φ = 46805640.
The previous prime is 142424141. The next prime is 142424159. The reversal of 142424154 is 451424241.
142424154 is a `hidden beast` number, since 1 + 4 + 242 + 415 + 4 = 666.
142424154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142424159) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54444 + ... + 56999.
It is an arithmetic number, because the mean of its divisors is an integer number (13038948).
Almost surely, 2142424154 is an apocalyptic number.
142424154 is an abundant number, since it is smaller than the sum of its proper divisors (170510598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142424154 is a wasteful number, since it uses less digits than its factorization.
142424154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111522 (or 111519 counting only the distinct ones).
The product of its digits is 5120, while the sum is 27.
The square root of 142424154 is about 11934.1591241277. The cubic root of 142424154 is about 522.2292778853.
Adding to 142424154 its reverse (451424241), we get a palindrome (593848395).
The spelling of 142424154 in words is "one hundred forty-two million, four hundred twenty-four thousand, one hundred fifty-four".
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