Base | Representation |
---|---|
bin | 111001110001… |
… | …0010000110000 |
3 | 2002222201210220 |
4 | 1303202100300 |
5 | 30223140041 |
6 | 3001053040 |
7 | 515301663 |
oct | 163422060 |
9 | 62881726 |
10 | 30286896 |
11 | 16106aa2 |
12 | a187180 |
13 | 6375753 |
14 | 40456da |
15 | 29d3d66 |
hex | 1ce2430 |
30286896 has 40 divisors (see below), whose sum is σ = 79352064. Its totient is φ = 9952320.
The previous prime is 30286891. The next prime is 30286939. The reversal of 30286896 is 69868203.
It is not an unprimeable number, because it can be changed into a prime (30286891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036 + ... + 7851.
Almost surely, 230286896 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30286896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39676032).
30286896 is an abundant number, since it is smaller than the sum of its proper divisors (49065168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30286896 is a wasteful number, since it uses less digits than its factorization.
30286896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8969 (or 8963 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 30286896 is about 5503.3531596655. The cubic root of 30286896 is about 311.7106126688.
The spelling of 30286896 in words is "thirty million, two hundred eighty-six thousand, eight hundred ninety-six".
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