Base | Representation |
---|---|
bin | 111001010101… |
… | …0110110010000 |
3 | 2002120012110101 |
4 | 1302222312100 |
5 | 30143404140 |
6 | 2552142144 |
7 | 513335152 |
oct | 162526620 |
9 | 62505411 |
10 | 30059920 |
11 | 15a71510 |
12 | a097954 |
13 | 62c6347 |
14 | 3dc6ad2 |
15 | 298b99a |
hex | 1caad90 |
30059920 has 40 divisors (see below), whose sum is σ = 76245120. Its totient is φ = 10930560.
The previous prime is 30059917. The next prime is 30059933. The reversal of 30059920 is 2995003.
It is a tau number, because it is divible by the number of its divisors (40).
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, 16200 + ... + 17959.
It is an arithmetic number, because the mean of its divisors is an integer number (1906128).
Almost surely, 230059920 is an apocalyptic number.
It is an amenable number.
30059920 is an abundant number, since it is smaller than the sum of its proper divisors (46185200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30059920 is a wasteful number, since it uses less digits than its factorization.
30059920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34183 (or 34177 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 28.
The square root of 30059920 is about 5482.6927690689. The cubic root of 30059920 is about 310.9299856521.
The spelling of 30059920 in words is "thirty million, fifty-nine thousand, nine hundred twenty".
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