Base | Representation |
---|---|
bin | 11001101000110… |
… | …111010000101001 |
3 | 1002222101111120220 |
4 | 121220313100221 |
5 | 1340104030010 |
6 | 110403240253 |
7 | 13442102532 |
oct | 3150672051 |
9 | 1088344526 |
10 | 430142505 |
11 | 200893481 |
12 | 100079089 |
13 | 6b1663c0 |
14 | 411ad689 |
15 | 27b69970 |
hex | 19a37429 |
430142505 has 32 divisors (see below), whose sum is σ = 745113600. Its totient is φ = 210635520.
The previous prime is 430142443. The next prime is 430142513. The reversal of 430142505 is 505241034.
It is not a de Polignac number, because 430142505 - 28 = 430142249 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31471 + ... + 43019.
It is an arithmetic number, because the mean of its divisors is an integer number (23284800).
Almost surely, 2430142505 is an apocalyptic number.
It is an amenable number.
430142505 is a deficient number, since it is larger than the sum of its proper divisors (314971095).
430142505 is a wasteful number, since it uses less digits than its factorization.
430142505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11761.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 430142505 is about 20739.8771693566. The cubic root of 430142505 is about 754.8676024729.
Adding to 430142505 its reverse (505241034), we get a palindrome (935383539).
The spelling of 430142505 in words is "four hundred thirty million, one hundred forty-two thousand, five hundred five".
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