Base | Representation |
---|---|
bin | 111010100011… |
… | …0100100100100 |
3 | 2010202121102020 |
4 | 1311012210210 |
5 | 30324312024 |
6 | 3013543140 |
7 | 521632566 |
oct | 165064444 |
9 | 63677366 |
10 | 30697764 |
11 | 16367759 |
12 | a344ab0 |
13 | 648a776 |
14 | 4111336 |
15 | 2a65979 |
hex | 1d46924 |
30697764 has 24 divisors (see below), whose sum is σ = 71736000. Its totient is φ = 10217184.
The previous prime is 30697763. The next prime is 30697769. The reversal of 30697764 is 46779603.
It is not an unprimeable number, because it can be changed into a prime (30697763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8737 + ... + 11735.
It is an arithmetic number, because the mean of its divisors is an integer number (2989000).
Almost surely, 230697764 is an apocalyptic number.
It is an amenable number.
30697764 is an abundant number, since it is smaller than the sum of its proper divisors (41038236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30697764 is a wasteful number, since it uses less digits than its factorization.
30697764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3859 (or 3857 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 42.
The square root of 30697764 is about 5540.5562897601. The cubic root of 30697764 is about 313.1138279527.
The spelling of 30697764 in words is "thirty million, six hundred ninety-seven thousand, seven hundred sixty-four".
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