Base | Representation |
---|---|
bin | 111001101110… |
… | …1001010010000 |
3 | 2002221200010222 |
4 | 1303131022100 |
5 | 30222003000 |
6 | 3000412212 |
7 | 515154032 |
oct | 163351220 |
9 | 62850128 |
10 | 30266000 |
11 | 160a2326 |
12 | a177068 |
13 | 636909b |
14 | 403bc52 |
15 | 29cca85 |
hex | 1cdd290 |
30266000 has 80 divisors (see below), whose sum is σ = 75344880. Its totient is φ = 11750400.
The previous prime is 30265981. The next prime is 30266017. The reversal of 30266000 is 66203.
It can be written as a sum of positive squares in 8 ways, for example, as 541696 + 29724304 = 736^2 + 5452^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 30266000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73796 + ... + 74204.
It is an arithmetic number, because the mean of its divisors is an integer number (941811).
Almost surely, 230266000 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 30266000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37672440).
30266000 is an abundant number, since it is smaller than the sum of its proper divisors (45078880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30266000 is a wasteful number, since it uses less digits than its factorization.
30266000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 30266000 is about 5501.4543531688. The cubic root of 30266000 is about 311.6389094532.
The spelling of 30266000 in words is "thirty million, two hundred sixty-six thousand".
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