Base | Representation |
---|---|
bin | 1011000110010… |
… | …10110010000000 |
3 | 20111012020102201 |
4 | 11203022302000 |
5 | 142313332110 |
6 | 13123322544 |
7 | 2210244652 |
oct | 543126200 |
9 | 214166381 |
10 | 93105280 |
11 | 48612414 |
12 | 27220454 |
13 | 1639b4a8 |
14 | c5186d2 |
15 | 8291b3a |
hex | 58cac80 |
93105280 has 32 divisors (see below), whose sum is σ = 222581340. Its totient is φ = 37241856.
The previous prime is 93105251. The next prime is 93105281. The reversal of 93105280 is 8250139.
It can be written as a sum of positive squares in 2 ways, for example, as 87459904 + 5645376 = 9352^2 + 2376^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (93105281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72099 + ... + 73378.
Almost surely, 293105280 is an apocalyptic number.
It is an amenable number.
93105280 is an abundant number, since it is smaller than the sum of its proper divisors (129476060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93105280 is a wasteful number, since it uses less digits than its factorization.
93105280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145496 (or 145484 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 93105280 is about 9649.1077307697. The cubic root of 93105280 is about 453.2363883433.
The spelling of 93105280 in words is "ninety-three million, one hundred five thousand, two hundred eighty".
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