Base | Representation |
---|---|
bin | 111001010010… |
… | …1000001110000 |
3 | 2002111222202102 |
4 | 1302211001300 |
5 | 30142123310 |
6 | 2551435532 |
7 | 513205514 |
oct | 162450160 |
9 | 62458672 |
10 | 30036080 |
11 | 15a55608 |
12 | a085ba8 |
13 | 62b8539 |
14 | 3dbc144 |
15 | 29848a5 |
hex | 1ca5070 |
30036080 has 20 divisors (see below), whose sum is σ = 69834072. Its totient is φ = 12014400.
The previous prime is 30036079. The next prime is 30036101. The reversal of 30036080 is 8063003.
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×300360802 = 1804332203532800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 187646 + ... + 187805.
Almost surely, 230036080 is an apocalyptic number.
It is an amenable number.
30036080 is an abundant number, since it is smaller than the sum of its proper divisors (39797992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30036080 is a wasteful number, since it uses less digits than its factorization.
30036080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375464 (or 375458 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30036080 is about 5480.5182236719. The cubic root of 30036080 is about 310.8477661905.
Adding to 30036080 its reverse (8063003), we get a palindrome (38099083).
The spelling of 30036080 in words is "thirty million, thirty-six thousand, eighty".
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