Base | Representation |
---|---|
bin | 101010010100011… |
… | …1000110010110010 |
3 | 10122221222201000101 |
4 | 1110220320302302 |
5 | 10402010121110 |
6 | 352523343014 |
7 | 50121560620 |
oct | 12450706262 |
9 | 3587881011 |
10 | 1420004530 |
11 | 66961246a |
12 | 337681a6a |
13 | 198263c89 |
14 | d683c510 |
15 | 849e713a |
hex | 54a38cb2 |
1420004530 has 16 divisors (see below), whose sum is σ = 2921152320. Its totient is φ = 486858672.
The previous prime is 1420004513. The next prime is 1420004533. The reversal of 1420004530 is 354000241.
It is a junction number, because it is equal to n+sod(n) for n = 1420004498 and 1420004507.
It is not an unprimeable number, because it can be changed into a prime (1420004533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10142820 + ... + 10142959.
It is an arithmetic number, because the mean of its divisors is an integer number (182572020).
Almost surely, 21420004530 is an apocalyptic number.
1420004530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420004530 is an abundant number, since it is smaller than the sum of its proper divisors (1501147790).
1420004530 is a wasteful number, since it uses less digits than its factorization.
1420004530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20285793.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 1420004530 is about 37682.9474696447. The cubic root of 1420004530 is about 1123.9920598427.
Adding to 1420004530 its reverse (354000241), we get a palindrome (1774004771).
The spelling of 1420004530 in words is "one billion, four hundred twenty million, four thousand, five hundred thirty".
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