Base | Representation |
---|---|
bin | 111010001011… |
… | …1110001010000 |
3 | 2010101212110020 |
4 | 1310113301100 |
5 | 30302143224 |
6 | 3005503440 |
7 | 520203651 |
oct | 164276120 |
9 | 63355406 |
10 | 30506064 |
11 | 16246726 |
12 | a271b80 |
13 | 6421434 |
14 | 40a1528 |
15 | 2a28c79 |
hex | 1d17c50 |
30506064 has 40 divisors (see below), whose sum is σ = 79399680. Its totient is φ = 10092288.
The previous prime is 30506059. The next prime is 30506071. The reversal of 30506064 is 46060503.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent 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, 4257 + ... + 8895.
It is an arithmetic number, because the mean of its divisors is an integer number (1984992).
Almost surely, 230506064 is an apocalyptic number.
It is an amenable number.
30506064 is an abundant number, since it is smaller than the sum of its proper divisors (48893616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30506064 is a wasteful number, since it uses less digits than its factorization.
30506064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4787 (or 4781 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 30506064 is about 5523.2294900719. The cubic root of 30506064 is about 312.4606935095.
Adding to 30506064 its reverse (46060503), we get a palindrome (76566567).
The spelling of 30506064 in words is "thirty million, five hundred six thousand, sixty-four".
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