Base | Representation |
---|---|
bin | 10000111110111… |
… | …01010110111001 |
3 | 100221001221110210 |
4 | 20133131112321 |
5 | 242432330231 |
6 | 22045301333 |
7 | 3346633140 |
oct | 1037352671 |
9 | 327057423 |
10 | 142464441 |
11 | 73465709 |
12 | 3b864849 |
13 | 23690cb2 |
14 | 14cc6757 |
15 | c791a46 |
hex | 87dd5b9 |
142464441 has 8 divisors (see below), whose sum is σ = 217088704. Its totient is φ = 81408240.
The previous prime is 142464419. The next prime is 142464449. The reversal of 142464441 is 144464241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142464441 - 214 = 142448057 is a prime.
It is a super-2 number, since 2×1424644412 = 40592233898884962, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142464399 and 142464408.
It is not an unprimeable number, because it can be changed into a prime (142464449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391990 + ... + 3392031.
It is an arithmetic number, because the mean of its divisors is an integer number (27136088).
Almost surely, 2142464441 is an apocalyptic number.
It is an amenable number.
142464441 is a deficient number, since it is larger than the sum of its proper divisors (74624263).
142464441 is an equidigital number, since it uses as much as digits as its factorization.
142464441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6784031.
The product of its digits is 12288, while the sum is 30.
The square root of 142464441 is about 11935.8468907740. The cubic root of 142464441 is about 522.2785136057.
The spelling of 142464441 in words is "one hundred forty-two million, four hundred sixty-four thousand, four hundred forty-one".
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