Base | Representation |
---|---|
bin | 11111100110101… |
… | …011111010001111 |
3 | 1100221201201201012 |
4 | 133212223322033 |
5 | 2041220010043 |
6 | 124340435435 |
7 | 16065631463 |
oct | 3746537217 |
9 | 1327651635 |
10 | 530235023 |
11 | 25233846a |
12 | 1296a8b7b |
13 | 85b10046 |
14 | 505c64a3 |
15 | 3183ba18 |
hex | 1f9abe8f |
530235023 has 4 divisors (see below), whose sum is σ = 531634440. Its totient is φ = 528835608.
The previous prime is 530235019. The next prime is 530235047. The reversal of 530235023 is 320532035.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320532035 = 5 ⋅64106407.
It is a cyclic number.
It is not a de Polignac number, because 530235023 - 22 = 530235019 is a prime.
It is a super-2 number, since 2×5302350232 = 562298359231621058, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 530235023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530285023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699140 + ... + 699897.
It is an arithmetic number, because the mean of its divisors is an integer number (132908610).
Almost surely, 2530235023 is an apocalyptic number.
530235023 is a deficient number, since it is larger than the sum of its proper divisors (1399417).
530235023 is a wasteful number, since it uses less digits than its factorization.
530235023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1399416.
The product of its (nonzero) digits is 2700, while the sum is 23.
The square root of 530235023 is about 23026.8326740783. The cubic root of 530235023 is about 809.3868361651.
Adding to 530235023 its reverse (320532035), we get a palindrome (850767058).
The spelling of 530235023 in words is "five hundred thirty million, two hundred thirty-five thousand, twenty-three".
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