Base | Representation |
---|---|
bin | 1111010101010… |
… | …1110110100101 |
3 | 11111000112022020 |
4 | 3311111312211 |
5 | 112431033124 |
6 | 10214253353 |
7 | 1410444450 |
oct | 365256645 |
9 | 144015266 |
10 | 64314789 |
11 | 33338720 |
12 | 19657259 |
13 | 1042abb6 |
14 | 8782497 |
15 | 59a6379 |
hex | 3d55da5 |
64314789 has 32 divisors (see below), whose sum is σ = 107326464. Its totient is φ = 33281280.
The previous prime is 64314749. The next prime is 64314793. The reversal of 64314789 is 98741346.
It is not a de Polignac number, because 64314789 - 215 = 64282021 is a prime.
It is a super-3 number, since 3×643147893 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 64314789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64314749) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99702 + ... + 100344.
It is an arithmetic number, because the mean of its divisors is an integer number (3353952).
Almost surely, 264314789 is an apocalyptic number.
It is an amenable number.
64314789 is a deficient number, since it is larger than the sum of its proper divisors (43011675).
64314789 is a wasteful number, since it uses less digits than its factorization.
64314789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1097.
The product of its digits is 145152, while the sum is 42.
The square root of 64314789 is about 8019.6501794031. The cubic root of 64314789 is about 400.6547381269.
The spelling of 64314789 in words is "sixty-four million, three hundred fourteen thousand, seven hundred eighty-nine".
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