Base | Representation |
---|---|
bin | 10001000001110… |
… | …11000100010110 |
3 | 100221210102222222 |
4 | 20200323010112 |
5 | 243032121103 |
6 | 22101422342 |
7 | 3353122166 |
oct | 1040730426 |
9 | 327712888 |
10 | 142848278 |
11 | 736a8031 |
12 | 3ba0a9b2 |
13 | 23796911 |
14 | 14d865a6 |
15 | c81a638 |
hex | 883b116 |
142848278 has 4 divisors (see below), whose sum is σ = 214272420. Its totient is φ = 71424138.
The previous prime is 142848271. The next prime is 142848283. The reversal of 142848278 is 872848241.
It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142848271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35712068 + ... + 35712071.
It is an arithmetic number, because the mean of its divisors is an integer number (53568105).
Almost surely, 2142848278 is an apocalyptic number.
142848278 is a deficient number, since it is larger than the sum of its proper divisors (71424142).
142848278 is an equidigital number, since it uses as much as digits as its factorization.
142848278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71424141.
The product of its digits is 229376, while the sum is 44.
The square root of 142848278 is about 11951.9152440101. The cubic root of 142848278 is about 522.7471452769.
The spelling of 142848278 in words is "one hundred forty-two million, eight hundred forty-eight thousand, two hundred seventy-eight".
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