Base | Representation |
---|---|
bin | 100001001110110… |
… | …111100100011011 |
3 | 1102212010020222210 |
4 | 201032313210123 |
5 | 2120212431010 |
6 | 131154050203 |
7 | 16550026554 |
oct | 4116674433 |
9 | 1385106883 |
10 | 557545755 |
11 | 2667a1418 |
12 | 136879963 |
13 | 8b682c40 |
14 | 5409532b |
15 | 33e33b20 |
hex | 213b791b |
557545755 has 32 divisors (see below), whose sum is σ = 970240320. Its totient is φ = 271756800.
The previous prime is 557545741. The next prime is 557545759.
557545755 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 557545755 - 215 = 557512987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (557545759) 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, 5541 + ... + 33849.
It is an arithmetic number, because the mean of its divisors is an integer number (30320010).
Almost surely, 2557545755 is an apocalyptic number.
557545755 is a deficient number, since it is larger than the sum of its proper divisors (412694565).
557545755 is a wasteful number, since it uses less digits than its factorization.
557545755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28431.
The product of its digits is 3062500, while the sum is 48.
The square root of 557545755 is about 23612.4068023571. The cubic root of 557545755 is about 823.0511723424.
The spelling of 557545755 in words is "five hundred fifty-seven million, five hundred forty-five thousand, seven hundred fifty-five".
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