Base | Representation |
---|---|
bin | 1111011111000… |
… | …1110010010111 |
3 | 11112012222110000 |
4 | 3313301302113 |
5 | 113112002440 |
6 | 10240102343 |
7 | 1416044535 |
oct | 367616227 |
9 | 145188400 |
10 | 64953495 |
11 | 33734582 |
12 | 199049b3 |
13 | 105c2829 |
14 | 88ab155 |
15 | 5a80730 |
hex | 3df1c97 |
64953495 has 80 divisors (see below), whose sum is σ = 128240640. Its totient is φ = 31306176.
The previous prime is 64953439. The next prime is 64953503. The reversal of 64953495 is 59435946.
It is not a de Polignac number, because 64953495 - 27 = 64953367 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 64953495.
It is a congruent number.
It is an unprimeable number.
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 79 ways as a sum of consecutive naturals, for example, 176802 + ... + 177168.
It is an arithmetic number, because the mean of its divisors is an integer number (1603008).
Almost surely, 264953495 is an apocalyptic number.
64953495 is a deficient number, since it is larger than the sum of its proper divisors (63287145).
64953495 is a wasteful number, since it uses less digits than its factorization.
64953495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426 (or 417 counting only the distinct ones).
The product of its digits is 583200, while the sum is 45.
The square root of 64953495 is about 8059.3731145791. The cubic root of 64953495 is about 401.9766638269.
The spelling of 64953495 in words is "sixty-four million, nine hundred fifty-three thousand, four hundred ninety-five".
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