Base | Representation |
---|---|
bin | 1101010010001… |
… | …1100110000011 |
3 | 10212211212220200 |
4 | 3110203212003 |
5 | 103231022243 |
6 | 5310140243 |
7 | 1244420631 |
oct | 324434603 |
9 | 125755820 |
10 | 55720323 |
11 | 294a855a |
12 | 167b1683 |
13 | b70c009 |
14 | 7586351 |
15 | 4d59ad3 |
hex | 3523983 |
55720323 has 6 divisors (see below), whose sum is σ = 80484924. Its totient is φ = 37146876.
The previous prime is 55720309. The next prime is 55720337. The reversal of 55720323 is 32302755.
It is an interprime number because it is at equal distance from previous prime (55720309) and next prime (55720337).
It is not a de Polignac number, because 55720323 - 214 = 55703939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (55720363) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3095565 + ... + 3095582.
It is an arithmetic number, because the mean of its divisors is an integer number (13414154).
Almost surely, 255720323 is an apocalyptic number.
55720323 is a deficient number, since it is larger than the sum of its proper divisors (24764601).
55720323 is a wasteful number, since it uses less digits than its factorization.
55720323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6191153 (or 6191150 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 27.
The square root of 55720323 is about 7464.6046780791. The cubic root of 55720323 is about 381.9482651537.
The spelling of 55720323 in words is "fifty-five million, seven hundred twenty thousand, three hundred twenty-three".
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