Base | Representation |
---|---|
bin | 10000111101000… |
… | …10101010110001 |
3 | 100220121201201101 |
4 | 20132202222301 |
5 | 242402132144 |
6 | 22040204401 |
7 | 3344612242 |
oct | 1036425261 |
9 | 326551641 |
10 | 142224049 |
11 | 73311040 |
12 | 3b769701 |
13 | 23608756 |
14 | 14c62cc9 |
15 | c7456d4 |
hex | 87a2ab1 |
142224049 has 8 divisors (see below), whose sum is σ = 157470048. Its totient is φ = 127364160.
The previous prime is 142224037. The next prime is 142224067. The reversal of 142224049 is 940422241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142224049 - 221 = 140126897 is a prime.
It is a super-2 number, since 2×1422240492 = 40455360227908802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142224949) 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 7 ways as a sum of consecutive naturals, for example, 95752 + ... + 97225.
It is an arithmetic number, because the mean of its divisors is an integer number (19683756).
Almost surely, 2142224049 is an apocalyptic number.
It is an amenable number.
142224049 is a deficient number, since it is larger than the sum of its proper divisors (15245999).
142224049 is a wasteful number, since it uses less digits than its factorization.
142224049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193055.
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 142224049 is about 11925.7724697396. The cubic root of 142224049 is about 521.9845870192.
The spelling of 142224049 in words is "one hundred forty-two million, two hundred twenty-four thousand, forty-nine".
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