Base | Representation |
---|---|
bin | 111010101100… |
… | …0010000000100 |
3 | 2010220021202022 |
4 | 1311120100010 |
5 | 30334121210 |
6 | 3015302312 |
7 | 522353660 |
oct | 165302004 |
9 | 63807668 |
10 | 30770180 |
11 | 16407101 |
12 | a37a998 |
13 | 64b470c |
14 | 412d8a0 |
15 | 2a7c155 |
hex | 1d58404 |
30770180 has 24 divisors (see below), whose sum is σ = 73848768. Its totient is φ = 10549728.
The previous prime is 30770167. The next prime is 30770191. The reversal of 30770180 is 8107703.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109754 + ... + 110033.
It is an arithmetic number, because the mean of its divisors is an integer number (3077032).
Almost surely, 230770180 is an apocalyptic number.
It is an amenable number.
30770180 is an abundant number, since it is smaller than the sum of its proper divisors (43078588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30770180 is a wasteful number, since it uses less digits than its factorization.
30770180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219803 (or 219801 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 26.
The square root of 30770180 is about 5547.0875240977. The cubic root of 30770180 is about 313.3598463557.
Adding to 30770180 its reverse (8107703), we get a palindrome (38877883).
The spelling of 30770180 in words is "thirty million, seven hundred seventy thousand, one hundred eighty".
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