Base | Representation |
---|---|
bin | 111101010001001… |
… | …1110010011000101 |
3 | 12022021110101002210 |
4 | 1322202132103011 |
5 | 13202244413344 |
6 | 540000054033 |
7 | 101642333130 |
oct | 17242362305 |
9 | 5267411083 |
10 | 2055857349 |
11 | 965529067 |
12 | 494604319 |
13 | 269c03850 |
14 | 157079217 |
15 | c0747db9 |
hex | 7a89e4c5 |
2055857349 has 32 divisors (see below), whose sum is σ = 3482558464. Its totient is φ = 1049423040.
The previous prime is 2055857339. The next prime is 2055857407. The reversal of 2055857349 is 9437585502.
It is not a de Polignac number, because 2055857349 - 29 = 2055856837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2055857298 and 2055857307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2055857339) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112999 + ... + 129924.
It is an arithmetic number, because the mean of its divisors is an integer number (108829952).
Almost surely, 22055857349 is an apocalyptic number.
It is an amenable number.
2055857349 is a deficient number, since it is larger than the sum of its proper divisors (1426701115).
2055857349 is a wasteful number, since it uses less digits than its factorization.
2055857349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242977.
The product of its (nonzero) digits is 1512000, while the sum is 48.
The square root of 2055857349 is about 45341.5631512633. The cubic root of 2055857349 is about 1271.5428268602.
The spelling of 2055857349 in words is "two billion, fifty-five million, eight hundred fifty-seven thousand, three hundred forty-nine".
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