Base | Representation |
---|---|
bin | 1111101111011… |
… | …1010111000101 |
3 | 11121020102010201 |
4 | 3323313113011 |
5 | 113400244101 |
6 | 10315050501 |
7 | 1431126265 |
oct | 373672705 |
9 | 147212121 |
10 | 66024901 |
11 | 342a6538 |
12 | 1a140a31 |
13 | 108a93b7 |
14 | 8aa97a5 |
15 | 5be2e01 |
hex | 3ef75c5 |
66024901 has 8 divisors (see below), whose sum is σ = 66713408. Its totient is φ = 65340000.
The previous prime is 66024899. The next prime is 66024919. The reversal of 66024901 is 10942066.
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 66024901 - 21 = 66024899 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 66024901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66024941) 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, 49321 + ... + 50641.
It is an arithmetic number, because the mean of its divisors is an integer number (8339176).
It is a Poulet number, since it divides 266024900-1.
Almost surely, 266024901 is an apocalyptic number.
It is an amenable number.
66024901 is a deficient number, since it is larger than the sum of its proper divisors (688507).
66024901 is a wasteful number, since it uses less digits than its factorization.
66024901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1803.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 66024901 is about 8125.5708107185. The cubic root of 66024901 is about 404.1748193677.
Adding to 66024901 its reverse (10942066), we get a palindrome (76966967).
The spelling of 66024901 in words is "sixty-six million, twenty-four thousand, nine hundred one".
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