Base | Representation |
---|---|
bin | 11111100111011… |
… | …011100011001011 |
3 | 1100222002122101022 |
4 | 133213123203023 |
5 | 2041242231110 |
6 | 124344543055 |
7 | 16100403413 |
oct | 3747334313 |
9 | 1328078338 |
10 | 530430155 |
11 | 252461032 |
12 | 129781a8b |
13 | 85b7aac8 |
14 | 50637643 |
15 | 31879755 |
hex | 1f9db8cb |
530430155 has 32 divisors (see below), whose sum is σ = 678490560. Its totient is φ = 397393920.
The previous prime is 530430151. The next prime is 530430169. The reversal of 530430155 is 551034035.
It is not a de Polignac number, because 530430155 - 22 = 530430151 is a prime.
It is a super-2 number, since 2×5304301552 = 562712298666648050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (530430151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502459 + ... + 1502811.
It is an arithmetic number, because the mean of its divisors is an integer number (21202830).
Almost surely, 2530430155 is an apocalyptic number.
530430155 is a deficient number, since it is larger than the sum of its proper divisors (148060405).
530430155 is a wasteful number, since it uses less digits than its factorization.
530430155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 671.
The product of its (nonzero) digits is 4500, while the sum is 26.
The square root of 530430155 is about 23031.0693412182. The cubic root of 530430155 is about 809.4861115776.
The spelling of 530430155 in words is "five hundred thirty million, four hundred thirty thousand, one hundred fifty-five".
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