Base | Representation |
---|---|
bin | 1100111111011… |
… | …1001110100111 |
3 | 10210112101021000 |
4 | 3033313032213 |
5 | 102422140043 |
6 | 5223524343 |
7 | 1231105020 |
oct | 317671647 |
9 | 123471230 |
10 | 54490023 |
11 | 28838185 |
12 | 162b96b3 |
13 | b39b023 |
14 | 7345c47 |
15 | 4bb52d3 |
hex | 33f73a7 |
54490023 has 16 divisors (see below), whose sum is σ = 92258560. Its totient is φ = 31137048.
The previous prime is 54489991. The next prime is 54490031. The reversal of 54490023 is 32009445.
It is not a de Polignac number, because 54490023 - 25 = 54489991 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54490063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143965 + ... + 144342.
It is an arithmetic number, because the mean of its divisors is an integer number (5766160).
Almost surely, 254490023 is an apocalyptic number.
54490023 is a deficient number, since it is larger than the sum of its proper divisors (37768537).
54490023 is a wasteful number, since it uses less digits than its factorization.
54490023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288323 (or 288317 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 54490023 is about 7381.7357714836. The cubic root of 54490023 is about 379.1161893168.
Adding to 54490023 its reverse (32009445), we get a palindrome (86499468).
The spelling of 54490023 in words is "fifty-four million, four hundred ninety thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •