Base | Representation |
---|---|
bin | 1101000011001… |
… | …0000101010001 |
3 | 10210222121221101 |
4 | 3100302011101 |
5 | 103002343324 |
6 | 5233024401 |
7 | 1233130600 |
oct | 320620521 |
9 | 123877841 |
10 | 54731089 |
11 | 28992306 |
12 | 163b5101 |
13 | b45397a |
14 | 73a9a37 |
15 | 4c11944 |
hex | 3432151 |
54731089 has 24 divisors (see below), whose sum is σ = 66451968. Its totient is φ = 44896320.
The previous prime is 54731087. The next prime is 54731119. The reversal of 54731089 is 98013745.
54731089 is nontrivially palindromic in base 14.
It is not a de Polignac number, because 54731089 - 21 = 54731087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54731081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207972 + ... + 208234.
It is an arithmetic number, because the mean of its divisors is an integer number (2768832).
Almost surely, 254731089 is an apocalyptic number.
It is an amenable number.
54731089 is a deficient number, since it is larger than the sum of its proper divisors (11720879).
54731089 is a wasteful number, since it uses less digits than its factorization.
54731089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445 (or 438 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 54731089 is about 7398.0462961514. The cubic root of 54731089 is about 379.6744418469.
The spelling of 54731089 in words is "fifty-four million, seven hundred thirty-one thousand, eighty-nine".
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