Base | Representation |
---|---|
bin | 1101110100100110… |
… | …01101010001011111 |
3 | 201011011002201221000 |
4 | 12322103031101133 |
5 | 110144131031300 |
6 | 3224200241343 |
7 | 351613521024 |
oct | 67223152137 |
9 | 21134081830 |
10 | 7420564575 |
11 | 3168795aa6 |
12 | 1531170253 |
13 | 913497918 |
14 | 50575554b |
15 | 2d66e0c00 |
hex | 1ba4cd45f |
7420564575 has 48 divisors (see below), whose sum is σ = 13668862240. Its totient is φ = 3946890240.
The previous prime is 7420564523. The next prime is 7420564577. The reversal of 7420564575 is 5754650247.
7420564575 is a `hidden beast` number, since 7 + 4 + 20 + 56 + 4 + 575 = 666.
It is not a de Polignac number, because 7420564575 - 26 = 7420564511 is a prime.
It is a super-3 number, since 3×74205645753 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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 7420564575.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7420564577) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237039 + ... + 266511.
Almost surely, 27420564575 is an apocalyptic number.
7420564575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
7420564575 is a deficient number, since it is larger than the sum of its proper divisors (6248297665).
7420564575 is a wasteful number, since it uses less digits than its factorization.
7420564575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29865 (or 29854 counting only the distinct ones).
The product of its (nonzero) digits is 1176000, while the sum is 45.
The square root of 7420564575 is about 86142.6989071041. The cubic root of 7420564575 is about 1950.4986298821.
The spelling of 7420564575 in words is "seven billion, four hundred twenty million, five hundred sixty-four thousand, five hundred seventy-five".
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