Base | Representation |
---|---|
bin | 1111101010001… |
… | …1111010001000 |
3 | 11120121001020200 |
4 | 3322203322020 |
5 | 113303324310 |
6 | 10303452200 |
7 | 1425203601 |
oct | 372437210 |
9 | 146531220 |
10 | 65683080 |
11 | 34092741 |
12 | 19bb7060 |
13 | 107b9938 |
14 | 8a1ada8 |
15 | 5b769c0 |
hex | 3ea3e88 |
65683080 has 48 divisors (see below), whose sum is σ = 213471180. Its totient is φ = 17515392.
The previous prime is 65683067. The next prime is 65683081. The reversal of 65683080 is 8038656.
It can be written as a sum of positive squares in 2 ways, for example, as 61496964 + 4186116 = 7842^2 + 2046^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (65683081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90867 + ... + 91586.
Almost surely, 265683080 is an apocalyptic number.
65683080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
65683080 is an abundant number, since it is smaller than the sum of its proper divisors (147788100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65683080 is a wasteful number, since it uses less digits than its factorization.
65683080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182470 (or 182463 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 65683080 is about 8104.5098556298. The cubic root of 65683080 is about 403.4761206231.
The spelling of 65683080 in words is "sixty-five million, six hundred eighty-three thousand, eighty".
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