Base | Representation |
---|---|
bin | 101101100110100… |
… | …0001011011110111 |
3 | 10221122020012000221 |
4 | 1123031001123313 |
5 | 11113203443112 |
6 | 411500115211 |
7 | 52626656515 |
oct | 13315013367 |
9 | 3848205027 |
10 | 1530140407 |
11 | 7157a7154 |
12 | 368535b07 |
13 | 1b5016133 |
14 | 10730b4b5 |
15 | 8e4eee07 |
hex | 5b3416f7 |
1530140407 has 2 divisors, whose sum is σ = 1530140408. Its totient is φ = 1530140406.
The previous prime is 1530140401. The next prime is 1530140411. The reversal of 1530140407 is 7040410351.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1530140407 - 227 = 1395922679 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1530140401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765070203 + 765070204.
It is an arithmetic number, because the mean of its divisors is an integer number (765070204).
Almost surely, 21530140407 is an apocalyptic number.
1530140407 is a deficient number, since it is larger than the sum of its proper divisors (1).
1530140407 is an equidigital number, since it uses as much as digits as its factorization.
1530140407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 1530140407 is about 39117.0091775943. The cubic root of 1530140407 is about 1152.3305998716.
Adding to 1530140407 its reverse (7040410351), we get a palindrome (8570550758).
The spelling of 1530140407 in words is "one billion, five hundred thirty million, one hundred forty thousand, four hundred seven".
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