Base | Representation |
---|---|
bin | 111110010011111… |
… | …101011101010001 |
3 | 2200212010211102222 |
4 | 332103331131101 |
5 | 4120111413412 |
6 | 251422550425 |
7 | 34622631206 |
oct | 7623753521 |
9 | 2625124388 |
10 | 1045419857 |
11 | 497126459 |
12 | 252138415 |
13 | 138780941 |
14 | 9cbb1cad |
15 | 61ba4072 |
hex | 3e4fd751 |
1045419857 has 2 divisors, whose sum is σ = 1045419858. Its totient is φ = 1045419856.
The previous prime is 1045419799. The next prime is 1045419901. The reversal of 1045419857 is 7589145401.
It is an a-pointer prime, because the next prime (1045419901) can be obtained adding 1045419857 to its sum of digits (44).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 591900241 + 453519616 = 24329^2 + 21296^2 .
It is a cyclic number.
It is not a de Polignac number, because 1045419857 - 210 = 1045418833 is a prime.
It is a super-3 number, since 3×10454198573 (a number of 28 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (1045409857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522709928 + 522709929.
It is an arithmetic number, because the mean of its divisors is an integer number (522709929).
Almost surely, 21045419857 is an apocalyptic number.
It is an amenable number.
1045419857 is a deficient number, since it is larger than the sum of its proper divisors (1).
1045419857 is an equidigital number, since it uses as much as digits as its factorization.
1045419857 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 201600, while the sum is 44.
The square root of 1045419857 is about 32332.9531128847. The cubic root of 1045419857 is about 1014.9163485947.
The spelling of 1045419857 in words is "one billion, forty-five million, four hundred nineteen thousand, eight hundred fifty-seven".
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