Base | Representation |
---|---|
bin | 1111110111111… |
… | …01111111100010 |
3 | 100021120021110022 |
4 | 13323331333202 |
5 | 233042122210 |
6 | 21114033442 |
7 | 3204564200 |
oct | 773757742 |
9 | 307507408 |
10 | 133160930 |
11 | 69190861 |
12 | 38718882 |
13 | 21784466 |
14 | 13984070 |
15 | ba55155 |
hex | 7efdfe2 |
133160930 has 48 divisors (see below), whose sum is σ = 293518080. Its totient is φ = 43249248.
The previous prime is 133160893. The next prime is 133160933. The reversal of 133160930 is 39061331.
It is a self number, because there is not a number n which added to its sum of digits gives 133160930.
It is not an unprimeable number, because it can be changed into a prime (133160933) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2159 + ... + 16461.
It is an arithmetic number, because the mean of its divisors is an integer number (6114960).
Almost surely, 2133160930 is an apocalyptic number.
133160930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
133160930 is an abundant number, since it is smaller than the sum of its proper divisors (160357150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133160930 is a wasteful number, since it uses less digits than its factorization.
133160930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14343 (or 14336 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 26.
The square root of 133160930 is about 11539.5376857134. The cubic root of 133160930 is about 510.6526694560.
The spelling of 133160930 in words is "one hundred thirty-three million, one hundred sixty thousand, nine hundred thirty".
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