Base | Representation |
---|---|
bin | 111010000101… |
… | …1000011001110 |
3 | 2010022012222200 |
4 | 1310023003032 |
5 | 30244011331 |
6 | 3004422330 |
7 | 516566034 |
oct | 164130316 |
9 | 63265880 |
10 | 30453966 |
11 | 16210574 |
12 | a2479a6 |
13 | 64037ca |
14 | 408a554 |
15 | 2a185e6 |
hex | 1d0b0ce |
30453966 has 24 divisors (see below), whose sum is σ = 68113344. Its totient is φ = 9823680.
The previous prime is 30453911. The next prime is 30453967. The reversal of 30453966 is 66935403.
It is a self number, because there is not a number n which added to its sum of digits gives 30453966.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30453967) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26731 + ... + 27846.
It is an arithmetic number, because the mean of its divisors is an integer number (2838056).
Almost surely, 230453966 is an apocalyptic number.
30453966 is an abundant number, since it is smaller than the sum of its proper divisors (37659378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30453966 is a wasteful number, since it uses less digits than its factorization.
30453966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54616 (or 54613 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 36.
The square root of 30453966 is about 5518.5112122746. The cubic root of 30453966 is about 312.2827195738.
The spelling of 30453966 in words is "thirty million, four hundred fifty-three thousand, nine hundred sixty-six".
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