Base | Representation |
---|---|
bin | 1111010000110… |
… | …0110001000110 |
3 | 11110110022122212 |
4 | 3310030301012 |
5 | 112341443210 |
6 | 10204023422 |
7 | 1405056623 |
oct | 364146106 |
9 | 143408585 |
10 | 64015430 |
11 | 33153816 |
12 | 19531b72 |
13 | 1035486b |
14 | 870534a |
15 | 5947805 |
hex | 3d0cc46 |
64015430 has 8 divisors (see below), whose sum is σ = 115227792. Its totient is φ = 25606168.
The previous prime is 64015423. The next prime is 64015447. The reversal of 64015430 is 3451046.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 64015396 and 64015405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200762 + ... + 3200781.
It is an arithmetic number, because the mean of its divisors is an integer number (14403474).
Almost surely, 264015430 is an apocalyptic number.
64015430 is a deficient number, since it is larger than the sum of its proper divisors (51212362).
64015430 is a wasteful number, since it uses less digits than its factorization.
64015430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6401550.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 64015430 is about 8000.9643168808. The cubic root of 64015430 is about 400.0321432503.
Adding to 64015430 its reverse (3451046), we get a palindrome (67466476).
The spelling of 64015430 in words is "sixty-four million, fifteen thousand, four hundred thirty".
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