Base | Representation |
---|---|
bin | 1111011000000… |
… | …1100100011000 |
3 | 11111100121221001 |
4 | 3312001210120 |
5 | 113002300343 |
6 | 10222154344 |
7 | 1412121466 |
oct | 366014430 |
9 | 144317831 |
10 | 64493848 |
11 | 33450201 |
12 | 197229b4 |
13 | 10491553 |
14 | 87cb836 |
15 | 59de44d |
hex | 3d81918 |
64493848 has 8 divisors (see below), whose sum is σ = 120925980. Its totient is φ = 32246920.
The previous prime is 64493843. The next prime is 64493867. The reversal of 64493848 is 84839446.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 64493798 and 64493807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64493843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030858 + ... + 4030873.
Almost surely, 264493848 is an apocalyptic number.
It is an amenable number.
64493848 is a deficient number, since it is larger than the sum of its proper divisors (56432132).
64493848 is a wasteful number, since it uses less digits than its factorization.
64493848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8061737 (or 8061733 counting only the distinct ones).
The product of its digits is 663552, while the sum is 46.
The square root of 64493848 is about 8030.8061861808. The cubic root of 64493848 is about 401.0262149557.
It can be divided in two parts, 64493 and 848, that added together give a triangular number (65341 = T361).
The spelling of 64493848 in words is "sixty-four million, four hundred ninety-three thousand, eight hundred forty-eight".
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