Base | Representation |
---|---|
bin | 1111010111111… |
… | …1001000100011 |
3 | 11111100010020200 |
4 | 3311333020203 |
5 | 113001441000 |
6 | 10222040243 |
7 | 1412050431 |
oct | 365771043 |
9 | 144303220 |
10 | 64483875 |
11 | 33443765 |
12 | 19719083 |
13 | 10489b51 |
14 | 87c7d51 |
15 | 59db500 |
hex | 3d7f223 |
64483875 has 72 divisors (see below), whose sum is σ = 122848128. Its totient is φ = 32508000.
The previous prime is 64483841. The next prime is 64483879. The reversal of 64483875 is 57838446.
It is not a de Polignac number, because 64483875 - 28 = 64483619 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 64483875.
It is not an unprimeable number, because it can be changed into a prime (64483879) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1499604 + ... + 1499646.
It is an arithmetic number, because the mean of its divisors is an integer number (1706224).
Almost surely, 264483875 is an apocalyptic number.
64483875 is a deficient number, since it is larger than the sum of its proper divisors (58364253).
64483875 is a wasteful number, since it uses less digits than its factorization.
64483875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138 (or 82 counting only the distinct ones).
The product of its digits is 645120, while the sum is 45.
The square root of 64483875 is about 8030.1852407027. The cubic root of 64483875 is about 401.0055430067.
The spelling of 64483875 in words is "sixty-four million, four hundred eighty-three thousand, eight hundred seventy-five".
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