Base | Representation |
---|---|
bin | 111010100010… |
… | …1110111010010 |
3 | 2010202110102220 |
4 | 1311011313102 |
5 | 30324213431 |
6 | 3013521510 |
7 | 521621256 |
oct | 165056722 |
9 | 63673386 |
10 | 30694866 |
11 | 16365564 |
12 | a343296 |
13 | 6489357 |
14 | 4110266 |
15 | 2a64b96 |
hex | 1d45dd2 |
30694866 has 16 divisors (see below), whose sum is σ = 61500384. Its totient is φ = 10213184.
The previous prime is 30694841. The next prime is 30694879. The reversal of 30694866 is 66849603.
It is a Curzon number.
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, 756 + ... + 7871.
It is an arithmetic number, because the mean of its divisors is an integer number (3843774).
Almost surely, 230694866 is an apocalyptic number.
30694866 is an abundant number, since it is smaller than the sum of its proper divisors (30805518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30694866 is a wasteful number, since it uses less digits than its factorization.
30694866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9225.
The product of its (nonzero) digits is 186624, while the sum is 42.
The square root of 30694866 is about 5540.2947575016. The cubic root of 30694866 is about 313.1039745485.
The spelling of 30694866 in words is "thirty million, six hundred ninety-four thousand, eight hundred sixty-six".
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