Base | Representation |
---|---|
bin | 1111100100100… |
… | …0001011111001 |
3 | 11112212221220001 |
4 | 3321020023321 |
5 | 113204314020 |
6 | 10251433001 |
7 | 1422050353 |
oct | 371101371 |
9 | 145787801 |
10 | 65307385 |
11 | 33956450 |
12 | 19a55761 |
13 | 106b7930 |
14 | 89600d3 |
15 | 5b0050a |
hex | 3e482f9 |
65307385 has 32 divisors (see below), whose sum is σ = 92695680. Its totient is φ = 43545600.
The previous prime is 65307377. The next prime is 65307401. The reversal of 65307385 is 58370356.
It is not a de Polignac number, because 65307385 - 23 = 65307377 is a prime.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172126 + ... + 172504.
It is an arithmetic number, because the mean of its divisors is an integer number (2896740).
Almost surely, 265307385 is an apocalyptic number.
65307385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
65307385 is a deficient number, since it is larger than the sum of its proper divisors (27388295).
65307385 is a wasteful number, since it uses less digits than its factorization.
65307385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649.
The product of its (nonzero) digits is 75600, while the sum is 37.
The square root of 65307385 is about 8081.2984723991. The cubic root of 65307385 is about 402.7053797985.
The spelling of 65307385 in words is "sixty-five million, three hundred seven thousand, three hundred eighty-five".
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