Base | Representation |
---|---|
bin | 111110110110110… |
… | …011110101000001 |
3 | 2201111022222010112 |
4 | 332312303311001 |
5 | 4124431233312 |
6 | 252350441105 |
7 | 35063400464 |
oct | 7666636501 |
9 | 2644288115 |
10 | 1054555457 |
11 | 4a12a613a |
12 | 255203195 |
13 | 13a62bc17 |
14 | a00ad2db |
15 | 628aad22 |
hex | 3edb3d41 |
1054555457 has 2 divisors, whose sum is σ = 1054555458. Its totient is φ = 1054555456.
The previous prime is 1054555429. The next prime is 1054555459. The reversal of 1054555457 is 7545554501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 572357776 + 482197681 = 23924^2 + 21959^2 .
It is a cyclic number.
It is not a de Polignac number, because 1054555457 - 216 = 1054489921 is a prime.
It is a super-2 number, since 2×10545554572 = 2224174423776957698, which contains 22 as substring.
Together with 1054555459, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1054555459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527277728 + 527277729.
It is an arithmetic number, because the mean of its divisors is an integer number (527277729).
Almost surely, 21054555457 is an apocalyptic number.
It is an amenable number.
1054555457 is a deficient number, since it is larger than the sum of its proper divisors (1).
1054555457 is an equidigital number, since it uses as much as digits as its factorization.
1054555457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 350000, while the sum is 41.
The square root of 1054555457 is about 32473.9196433076. The cubic root of 1054555457 is about 1017.8641250611.
The spelling of 1054555457 in words is "one billion, fifty-four million, five hundred fifty-five thousand, four hundred fifty-seven".
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