Base | Representation |
---|---|
bin | 101011010101011… |
… | …0001111001000101 |
3 | 10202100001122110012 |
4 | 1112222301321011 |
5 | 10434214224411 |
6 | 400141240005 |
7 | 51014156231 |
oct | 12652617105 |
9 | 3670048405 |
10 | 1454054981 |
11 | 68685a035 |
12 | 346b63005 |
13 | 1a2326782 |
14 | db1835c1 |
15 | 879c118b |
hex | 56ab1e45 |
1454054981 has 2 divisors, whose sum is σ = 1454054982. Its totient is φ = 1454054980.
The previous prime is 1454054951. The next prime is 1454055011. The reversal of 1454054981 is 1894504541.
It is a balanced prime because it is at equal distance from previous prime (1454054951) and next prime (1454055011).
It can be written as a sum of positive squares in only one way, i.e., 1361241025 + 92813956 = 36895^2 + 9634^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1454054981 is a prime.
It is a super-2 number, since 2×14540549812 = 4228551775541820722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1454054951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727027490 + 727027491.
It is an arithmetic number, because the mean of its divisors is an integer number (727027491).
Almost surely, 21454054981 is an apocalyptic number.
It is an amenable number.
1454054981 is a deficient number, since it is larger than the sum of its proper divisors (1).
1454054981 is an equidigital number, since it uses as much as digits as its factorization.
1454054981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 115200, while the sum is 41.
The square root of 1454054981 is about 38132.0728652404. The cubic root of 1454054981 is about 1132.9053024837.
The spelling of 1454054981 in words is "one billion, four hundred fifty-four million, fifty-four thousand, nine hundred eighty-one".
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