Base | Representation |
---|---|
bin | 101010010101011… |
… | …0011110100010101 |
3 | 10122222221022020121 |
4 | 1110222303310111 |
5 | 10402122232222 |
6 | 352542231541 |
7 | 50126060005 |
oct | 12452636425 |
9 | 3588838217 |
10 | 1420508437 |
11 | 669927017 |
12 | 3378855b1 |
13 | 1983ac44a |
14 | d6930005 |
15 | 84a965c7 |
hex | 54ab3d15 |
1420508437 has 2 divisors, whose sum is σ = 1420508438. Its totient is φ = 1420508436.
The previous prime is 1420508429. The next prime is 1420508459. The reversal of 1420508437 is 7348050241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1213407556 + 207100881 = 34834^2 + 14391^2 .
It is a cyclic number.
It is not a de Polignac number, because 1420508437 - 23 = 1420508429 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1420508407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710254218 + 710254219.
It is an arithmetic number, because the mean of its divisors is an integer number (710254219).
Almost surely, 21420508437 is an apocalyptic number.
It is an amenable number.
1420508437 is a deficient number, since it is larger than the sum of its proper divisors (1).
1420508437 is an equidigital number, since it uses as much as digits as its factorization.
1420508437 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 1420508437 is about 37689.6330175819. The cubic root of 1420508437 is about 1124.1249984992.
Adding to 1420508437 its reverse (7348050241), we get a palindrome (8768558678).
The spelling of 1420508437 in words is "one billion, four hundred twenty million, five hundred eight thousand, four hundred thirty-seven".
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