Base | Representation |
---|---|
bin | 10000111101010… |
… | …00100100010100 |
3 | 100220122221212022 |
4 | 20132220210110 |
5 | 242403420322 |
6 | 22040512312 |
7 | 3345042551 |
oct | 1036504424 |
9 | 326587768 |
10 | 142248212 |
11 | 73328207 |
12 | 3b77b698 |
13 | 23616752 |
14 | 14c6ba28 |
15 | c74c942 |
hex | 87a8914 |
142248212 has 48 divisors (see below), whose sum is σ = 272832000. Its totient is φ = 64644480.
The previous prime is 142248209. The next prime is 142248217. The reversal of 142248212 is 212842241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142248217) 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 in 15 ways as a sum of consecutive naturals, for example, 407414 + ... + 407762.
It is an arithmetic number, because the mean of its divisors is an integer number (5684000).
Almost surely, 2142248212 is an apocalyptic number.
It is an amenable number.
142248212 is a deficient number, since it is larger than the sum of its proper divisors (130583788).
142248212 is a wasteful number, since it uses less digits than its factorization.
142248212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576 (or 574 counting only the distinct ones).
The product of its digits is 2048, while the sum is 26.
The square root of 142248212 is about 11926.7854847817. The cubic root of 142248212 is about 522.0141460130.
The spelling of 142248212 in words is "one hundred forty-two million, two hundred forty-eight thousand, two hundred twelve".
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