Base | Representation |
---|---|
bin | 100001010000000… |
… | …001110111010111 |
3 | 1102212200201102202 |
4 | 201100001313113 |
5 | 2120302200241 |
6 | 131204355115 |
7 | 16552435022 |
oct | 4120016727 |
9 | 1385621382 |
10 | 557850071 |
11 | 26698a019 |
12 | 1369a5a9b |
13 | 8b75b5cc |
14 | 541341b9 |
15 | 33e93d9b |
hex | 21401dd7 |
557850071 has 6 divisors (see below), whose sum is σ = 561099072. Its totient is φ = 554604680.
The previous prime is 557850049. The next prime is 557850077. The reversal of 557850071 is 170058755.
It is a de Polignac number, because none of the positive numbers 2k-557850071 is a prime.
It is a super-4 number, since 4×5578500714 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (557850077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325565 + ... + 327273.
It is an arithmetic number, because the mean of its divisors is an integer number (93516512).
Almost surely, 2557850071 is an apocalyptic number.
557850071 is a deficient number, since it is larger than the sum of its proper divisors (3249001).
557850071 is an frugal number, since it uses more digits than its factorization.
557850071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3609 (or 1900 counting only the distinct ones).
The product of its (nonzero) digits is 49000, while the sum is 38.
The square root of 557850071 is about 23618.8499084947. The cubic root of 557850071 is about 823.2008892536.
The spelling of 557850071 in words is "five hundred fifty-seven million, eight hundred fifty thousand, seventy-one".
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