Base | Representation |
---|---|
bin | 1100111010010… |
… | …1011101110011 |
3 | 10202220100212022 |
4 | 3032211131303 |
5 | 102330430443 |
6 | 5212422055 |
7 | 1225211441 |
oct | 316453563 |
9 | 122810768 |
10 | 54155123 |
11 | 28629600 |
12 | 1617792b |
13 | b2b1769 |
14 | 7299b91 |
15 | 4b4ae68 |
hex | 33a5773 |
54155123 has 12 divisors (see below), whose sum is σ = 60351144. Its totient is φ = 48549600.
The previous prime is 54155099. The next prime is 54155131. The reversal of 54155123 is 32155145.
It is not a de Polignac number, because 54155123 - 210 = 54154099 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54155092 and 54155101.
It is not an unprimeable number, because it can be changed into a prime (54155173) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5768 + ... + 11898.
It is an arithmetic number, because the mean of its divisors is an integer number (5029262).
Almost surely, 254155123 is an apocalyptic number.
54155123 is a deficient number, since it is larger than the sum of its proper divisors (6196021).
54155123 is a wasteful number, since it uses less digits than its factorization.
54155123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6226 (or 6215 counting only the distinct ones).
The product of its digits is 3000, while the sum is 26.
The square root of 54155123 is about 7359.0164424331. The cubic root of 54155123 is about 378.3378999408.
The spelling of 54155123 in words is "fifty-four million, one hundred fifty-five thousand, one hundred twenty-three".
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