Base | Representation |
---|---|
bin | 1101110010101… |
… | …1100011010101 |
3 | 11000212002101011 |
4 | 3130223203111 |
5 | 104302200234 |
6 | 5423532221 |
7 | 1301501044 |
oct | 334534325 |
9 | 130762334 |
10 | 57850069 |
11 | 2a722682 |
12 | 1745a071 |
13 | bca6514 |
14 | 797c55b |
15 | 512ab64 |
hex | 372b8d5 |
57850069 has 2 divisors, whose sum is σ = 57850070. Its totient is φ = 57850068.
The previous prime is 57850027. The next prime is 57850109. The reversal of 57850069 is 96005875.
It is a happy number.
It is an a-pointer prime, because the next prime (57850109) can be obtained adding 57850069 to its sum of digits (40).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 33466225 + 24383844 = 5785^2 + 4938^2 .
It is a cyclic number.
It is not a de Polignac number, because 57850069 - 215 = 57817301 is a prime.
It is a super-2 number, since 2×578500692 = 6693260966609522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57850369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28925034 + 28925035.
It is an arithmetic number, because the mean of its divisors is an integer number (28925035).
Almost surely, 257850069 is an apocalyptic number.
It is an amenable number.
57850069 is a deficient number, since it is larger than the sum of its proper divisors (1).
57850069 is an equidigital number, since it uses as much as digits as its factorization.
57850069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 75600, while the sum is 40.
The square root of 57850069 is about 7605.9232838624. The cubic root of 57850069 is about 386.7538334829.
The spelling of 57850069 in words is "fifty-seven million, eight hundred fifty thousand, sixty-nine".
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