Base | Representation |
---|---|
bin | 11110100011101… |
… | …001001101101010 |
3 | 1022201122211202122 |
4 | 132203221031222 |
5 | 2022220112310 |
6 | 122512031242 |
7 | 15463353350 |
oct | 3643511552 |
9 | 1281584678 |
10 | 512660330 |
11 | 243424326 |
12 | 123832522 |
13 | 82298810 |
14 | 4c12d7d0 |
15 | 30019555 |
hex | 1e8e936a |
512660330 has 128 divisors (see below), whose sum is σ = 1242501120. Its totient is φ = 147640320.
The previous prime is 512660329. The next prime is 512660333. The reversal of 512660330 is 33066215.
It is a super-2 number, since 2×5126603302 = 525641227911417800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 512660330.
It is not an unprimeable number, because it can be changed into a prime (512660333) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479036 + ... + 480104.
It is an arithmetic number, because the mean of its divisors is an integer number (9707040).
Almost surely, 2512660330 is an apocalyptic number.
512660330 is an abundant number, since it is smaller than the sum of its proper divisors (729840790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512660330 is a wasteful number, since it uses less digits than its factorization.
512660330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1144.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 512660330 is about 22642.0036657536. The cubic root of 512660330 is about 800.3437741280.
It can be divided in two parts, 5126 and 60330, that added together give a palindrome (65456).
The spelling of 512660330 in words is "five hundred twelve million, six hundred sixty thousand, three hundred thirty".
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