Base | Representation |
---|---|
bin | 11111100110010… |
… | …110000010000000 |
3 | 1100221120011210010 |
4 | 133212112002000 |
5 | 2041204123113 |
6 | 124334504520 |
7 | 16065106302 |
oct | 3746260200 |
9 | 1327504703 |
10 | 530145408 |
11 | 252287101 |
12 | 129665140 |
13 | 85aab310 |
14 | 505a1972 |
15 | 318201c3 |
hex | 1f996080 |
530145408 has 128 divisors (see below), whose sum is σ = 1605985920. Its totient is φ = 153501696.
The previous prime is 530145403. The next prime is 530145437. The reversal of 530145408 is 804541035.
It is a tau number, because it is divible by the number of its divisors (128).
It is not an unprimeable number, because it can be changed into a prime (530145403) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81741 + ... + 87987.
It is an arithmetic number, because the mean of its divisors is an integer number (12546765).
Almost surely, 2530145408 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 530145408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802992960).
530145408 is an abundant number, since it is smaller than the sum of its proper divisors (1075840512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530145408 is a wasteful number, since it uses less digits than its factorization.
530145408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6294 (or 6282 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 530145408 is about 23024.8867098190. The cubic root of 530145408 is about 809.3412354504.
The spelling of 530145408 in words is "five hundred thirty million, one hundred forty-five thousand, four hundred eight".
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