Base | Representation |
---|---|
bin | 11111101000001… |
… | …100011011110001 |
3 | 1100222110211001020 |
4 | 133220030123301 |
5 | 2041320133020 |
6 | 124353130053 |
7 | 16102166235 |
oct | 3750143361 |
9 | 1328424036 |
10 | 530630385 |
11 | 25258850a |
12 | 129859929 |
13 | 85c1ac9c |
14 | 5068a5c5 |
15 | 318b8c40 |
hex | 1fa0c6f1 |
530630385 has 16 divisors (see below), whose sum is σ = 893693760. Its totient is φ = 268107840.
The previous prime is 530630383. The next prime is 530630389. The reversal of 530630385 is 583036035.
It is not a de Polignac number, because 530630385 - 21 = 530630383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (530630383) 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, 930646 + ... + 931215.
It is an arithmetic number, because the mean of its divisors is an integer number (55855860).
Almost surely, 2530630385 is an apocalyptic number.
It is an amenable number.
530630385 is a deficient number, since it is larger than the sum of its proper divisors (363063375).
530630385 is a wasteful number, since it uses less digits than its factorization.
530630385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1861888.
The product of its (nonzero) digits is 32400, while the sum is 33.
The square root of 530630385 is about 23035.4158851105. The cubic root of 530630385 is about 809.5879553435.
The spelling of 530630385 in words is "five hundred thirty million, six hundred thirty thousand, three hundred eighty-five".
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