Base | Representation |
---|---|
bin | 111011000001… |
… | …0001001110110 |
3 | 2011020000012010 |
4 | 1312002021312 |
5 | 30410114224 |
6 | 3023105050 |
7 | 524000241 |
oct | 166021166 |
9 | 64200163 |
10 | 30941814 |
11 | 16514052 |
12 | a442186 |
13 | 6544887 |
14 | 4176258 |
15 | 2ab2e29 |
hex | 1d82276 |
30941814 has 8 divisors (see below), whose sum is σ = 61883640. Its totient is φ = 10313936.
The previous prime is 30941797. The next prime is 30941821. The reversal of 30941814 is 41814903.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
30941814 is an admirable number.
It is a super-2 number, since 2×309418142 = 1914791707221192, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578479 + ... + 2578490.
It is an arithmetic number, because the mean of its divisors is an integer number (7735455).
Almost surely, 230941814 is an apocalyptic number.
30941814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30941814 is a wasteful number, since it uses less digits than its factorization.
30941814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5156974.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 30941814 is about 5562.5366515646. The cubic root of 30941814 is about 313.9413998046.
The spelling of 30941814 in words is "thirty million, nine hundred forty-one thousand, eight hundred fourteen".
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