Base | Representation |
---|---|
bin | 111011000000… |
… | …0000111110100 |
3 | 2011012120202220 |
4 | 1312000013310 |
5 | 30404332432 |
6 | 3023002340 |
7 | 523634052 |
oct | 166000764 |
9 | 64176686 |
10 | 30933492 |
11 | 16508877 |
12 | a4393b0 |
13 | 6540b55 |
14 | 41731d2 |
15 | 2ab072c |
hex | 1d801f4 |
30933492 has 12 divisors (see below), whose sum is σ = 72178176. Its totient is φ = 10311160.
The previous prime is 30933479. The next prime is 30933499. The reversal of 30933492 is 29433903.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30933499) 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 3 ways as a sum of consecutive naturals, for example, 1288884 + ... + 1288907.
It is an arithmetic number, because the mean of its divisors is an integer number (6014848).
Almost surely, 230933492 is an apocalyptic number.
It is an amenable number.
30933492 is an abundant number, since it is smaller than the sum of its proper divisors (41244684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30933492 is a wasteful number, since it uses less digits than its factorization.
30933492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2577798 (or 2577796 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 33.
The square root of 30933492 is about 5561.7885612454. The cubic root of 30933492 is about 313.9132517609.
The spelling of 30933492 in words is "thirty million, nine hundred thirty-three thousand, four hundred ninety-two".
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