Base | Representation |
---|---|
bin | 111001100001… |
… | …1111101111000 |
3 | 2002202102121001 |
4 | 1303003331320 |
5 | 30210202213 |
6 | 2554254344 |
7 | 514244134 |
oct | 163037570 |
9 | 62672531 |
10 | 30162808 |
11 | 16031845 |
12 | a1273b4 |
13 | 6331120 |
14 | 40123c4 |
15 | 29ac1dd |
hex | 1cc3f78 |
30162808 has 16 divisors (see below), whose sum is σ = 60905880. Its totient is φ = 13921248.
The previous prime is 30162793. The next prime is 30162809. The reversal of 30162808 is 80826103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30162809) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144910 + ... + 145117.
Almost surely, 230162808 is an apocalyptic number.
It is an amenable number.
30162808 is an abundant number, since it is smaller than the sum of its proper divisors (30743072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30162808 is a wasteful number, since it uses less digits than its factorization.
30162808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290046 (or 290042 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 30162808 is about 5492.0677344694. The cubic root of 30162808 is about 311.2843282944.
The spelling of 30162808 in words is "thirty million, one hundred sixty-two thousand, eight hundred eight".
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