Base | Representation |
---|---|
bin | 1111011111111… |
… | …0100110011000 |
3 | 11112022122102202 |
4 | 3313332212120 |
5 | 113120142401 |
6 | 10241145332 |
7 | 1416353540 |
oct | 367764630 |
9 | 145278382 |
10 | 65005976 |
11 | 3376aa52 |
12 | 1992b248 |
13 | 10610699 |
14 | 88c2320 |
15 | 5a9106b |
hex | 3dfe998 |
65005976 has 32 divisors (see below), whose sum is σ = 139722240. Its totient is φ = 27775008.
The previous prime is 65005957. The next prime is 65005979. The reversal of 65005976 is 67950056.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65005979) 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, 18971 + ... + 22133.
It is an arithmetic number, because the mean of its divisors is an integer number (4366320).
Almost surely, 265005976 is an apocalyptic number.
It is an amenable number.
65005976 is an abundant number, since it is smaller than the sum of its proper divisors (74716264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65005976 is a wasteful number, since it uses less digits than its factorization.
65005976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3543 (or 3539 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 38.
The square root of 65005976 is about 8062.6283555674. The cubic root of 65005976 is about 402.0848974593.
The spelling of 65005976 in words is "sixty-five million, five thousand, nine hundred seventy-six".
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