Base | Representation |
---|---|
bin | 111111001101… |
… | …1111101000001 |
3 | 2022100220220022 |
4 | 1332123331001 |
5 | 31441112031 |
6 | 3142223225 |
7 | 551503415 |
oct | 176337501 |
9 | 68326808 |
10 | 33144641 |
11 | 17789072 |
12 | b124b15 |
13 | 6b3641a |
14 | 458ad45 |
15 | 2d9a97b |
hex | 1f9bf41 |
33144641 has 8 divisors (see below), whose sum is σ = 33596640. Its totient is φ = 32695488.
The previous prime is 33144613. The next prime is 33144649. The reversal of 33144641 is 14644133.
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 33144641 - 218 = 32882497 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 33144641.
It is not an unprimeable number, because it can be changed into a prime (33144649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32345 + ... + 33353.
It is an arithmetic number, because the mean of its divisors is an integer number (4199580).
Almost surely, 233144641 is an apocalyptic number.
It is an amenable number.
33144641 is a deficient number, since it is larger than the sum of its proper divisors (451999).
33144641 is a wasteful number, since it uses less digits than its factorization.
33144641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1423.
The product of its digits is 3456, while the sum is 26.
The square root of 33144641 is about 5757.1382647979. The cubic root of 33144641 is about 321.2213772335.
Adding to 33144641 its reverse (14644133), we get a palindrome (47788774).
The spelling of 33144641 in words is "thirty-three million, one hundred forty-four thousand, six hundred forty-one".
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