Base | Representation |
---|---|
bin | 100001001111100… |
… | …100110100111010 |
3 | 1102212110200021112 |
4 | 201033210310322 |
5 | 2120234344010 |
6 | 131202040322 |
7 | 16551431165 |
oct | 4117446472 |
9 | 1385420245 |
10 | 557731130 |
11 | 266908720 |
12 | 1369490a2 |
13 | 8b719428 |
14 | 54102adc |
15 | 33e6da05 |
hex | 213e4d3a |
557731130 has 64 divisors (see below), whose sum is σ = 1172620800. Its totient is φ = 188838720.
The previous prime is 557731099. The next prime is 557731133. The reversal of 557731130 is 31137755.
557731130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×5577311302 = 622128026742153800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (557731133) 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, 121049 + ... + 125571.
It is an arithmetic number, because the mean of its divisors is an integer number (18322200).
Almost surely, 2557731130 is an apocalyptic number.
557731130 is an abundant number, since it is smaller than the sum of its proper divisors (614889670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
557731130 is a wasteful number, since it uses less digits than its factorization.
557731130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4619.
The product of its (nonzero) digits is 11025, while the sum is 32.
The square root of 557731130 is about 23616.3318489557. The cubic root of 557731130 is about 823.1423793291.
Adding to 557731130 its reverse (31137755), we get a palindrome (588868885).
The spelling of 557731130 in words is "five hundred fifty-seven million, seven hundred thirty-one thousand, one hundred thirty".
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