Base | Representation |
---|---|
bin | 10001000010101… |
… | …11011110100001 |
3 | 100222000100121201 |
4 | 20201113132201 |
5 | 243044332031 |
6 | 22104121201 |
7 | 3354115351 |
oct | 1041273641 |
9 | 328010551 |
10 | 142964641 |
11 | 737774a6 |
12 | 3ba66201 |
13 | 23807881 |
14 | 14db6b61 |
15 | c83ed61 |
hex | 88577a1 |
142964641 has 8 divisors (see below), whose sum is σ = 144990720. Its totient is φ = 140944128.
The previous prime is 142964621. The next prime is 142964659. The reversal of 142964641 is 146469241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142964641 - 25 = 142964609 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 142964641.
It is not an unprimeable number, because it can be changed into a prime (142964621) 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, 95400 + ... + 96886.
It is an arithmetic number, because the mean of its divisors is an integer number (18123840).
Almost surely, 2142964641 is an apocalyptic number.
It is an amenable number.
142964641 is a deficient number, since it is larger than the sum of its proper divisors (2026079).
142964641 is a wasteful number, since it uses less digits than its factorization.
142964641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2783.
The product of its digits is 41472, while the sum is 37.
The square root of 142964641 is about 11956.7822176370. The cubic root of 142964641 is about 522.8890485550.
The spelling of 142964641 in words is "one hundred forty-two million, nine hundred sixty-four thousand, six hundred forty-one".
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