Base | Representation |
---|---|
bin | 10000111111100… |
… | …00001000100111 |
3 | 100221012211222022 |
4 | 20133300020213 |
5 | 242442310401 |
6 | 22051053355 |
7 | 3350403311 |
oct | 1037601047 |
9 | 327184868 |
10 | 142541351 |
11 | 73508477 |
12 | 3b8a125b |
13 | 236b9cc4 |
14 | 14d067b1 |
15 | c7a971b |
hex | 87f0227 |
142541351 has 4 divisors (see below), whose sum is σ = 147456600. Its totient is φ = 137626104.
The previous prime is 142541339. The next prime is 142541387. The reversal of 142541351 is 153145241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153145241 = 103 ⋅1486847.
It is a cyclic number.
It is not a de Polignac number, because 142541351 - 210 = 142540327 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142541351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142541851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457581 + ... + 2457638.
It is an arithmetic number, because the mean of its divisors is an integer number (36864150).
Almost surely, 2142541351 is an apocalyptic number.
142541351 is a deficient number, since it is larger than the sum of its proper divisors (4915249).
142541351 is an equidigital number, since it uses as much as digits as its factorization.
142541351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4915248.
The product of its digits is 2400, while the sum is 26.
The square root of 142541351 is about 11939.0682634785. The cubic root of 142541351 is about 522.3724814151.
Adding to 142541351 its reverse (153145241), we get a palindrome (295686592).
The spelling of 142541351 in words is "one hundred forty-two million, five hundred forty-one thousand, three hundred fifty-one".
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