Base | Representation |
---|---|
bin | 11111110100100… |
… | …00101011110010 |
3 | 200121021111101202 |
4 | 33322100223302 |
5 | 1021313242210 |
6 | 42253131202 |
7 | 6420606200 |
oct | 1772205362 |
9 | 617244352 |
10 | 266930930 |
11 | 127748182 |
12 | 75489b02 |
13 | 433bcbc6 |
14 | 27646070 |
15 | 1867a9a5 |
hex | fe90af2 |
266930930 has 24 divisors (see below), whose sum is σ = 558921708. Its totient is φ = 91519008.
The previous prime is 266930903. The next prime is 266930933. The reversal of 266930930 is 39039662.
It can be written as a sum of positive squares in 2 ways, for example, as 252269689 + 14661241 = 15883^2 + 3829^2 .
It is not an unprimeable number, because it can be changed into a prime (266930933) 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, 271889 + ... + 272868.
Almost surely, 2266930930 is an apocalyptic number.
266930930 is an abundant number, since it is smaller than the sum of its proper divisors (291990778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
266930930 is a wasteful number, since it uses less digits than its factorization.
266930930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 544778 (or 544771 counting only the distinct ones).
The product of its (nonzero) digits is 52488, while the sum is 38.
The square root of 266930930 is about 16338.0209939882. The cubic root of 266930930 is about 643.8721390772.
The spelling of 266930930 in words is "two hundred sixty-six million, nine hundred thirty thousand, nine hundred thirty".
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