Base | Representation |
---|---|
bin | 10000111100110… |
… | …00001101111001 |
3 | 100220112112222220 |
4 | 20132120031321 |
5 | 242344244431 |
6 | 22035234253 |
7 | 3344343366 |
oct | 1036301571 |
9 | 326475886 |
10 | 142181241 |
11 | 73291964 |
12 | 3b748989 |
13 | 235c2117 |
14 | 14c5146d |
15 | c737b96 |
hex | 8798379 |
142181241 has 16 divisors (see below), whose sum is σ = 193134144. Its totient is φ = 93023424.
The previous prime is 142181231. The next prime is 142181257.
142181241 is nontrivially palindromic in base 10.
142181241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142181241 - 29 = 142180729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142181231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37275 + ... + 40911.
It is an arithmetic number, because the mean of its divisors is an integer number (12070884).
Almost surely, 2142181241 is an apocalyptic number.
It is an amenable number.
142181241 is a deficient number, since it is larger than the sum of its proper divisors (50952903).
142181241 is a wasteful number, since it uses less digits than its factorization.
142181241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3880.
The product of its digits is 512, while the sum is 24.
The square root of 142181241 is about 11923.9775662318. The cubic root of 142181241 is about 521.9322110705.
The spelling of 142181241 in words is "one hundred forty-two million, one hundred eighty-one thousand, two hundred forty-one".
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