Base | Representation |
---|---|
bin | 1101000101110… |
… | …1010011100011 |
3 | 10211022121210111 |
4 | 3101131103203 |
5 | 103024030011 |
6 | 5240512151 |
7 | 1234466005 |
oct | 321352343 |
9 | 124277714 |
10 | 54908131 |
11 | 28aa3323 |
12 | 1647b657 |
13 | b4b6425 |
14 | 7414375 |
15 | 4c49121 |
hex | 345d4e3 |
54908131 has 2 divisors, whose sum is σ = 54908132. Its totient is φ = 54908130.
The previous prime is 54908101. The next prime is 54908137. The reversal of 54908131 is 13180945.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54908131 - 223 = 46519523 is a prime.
It is a super-2 number, since 2×549081312 = 6029805699826322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 54908093 and 54908102.
It is not a weakly prime, because it can be changed into another prime (54908137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27454065 + 27454066.
It is an arithmetic number, because the mean of its divisors is an integer number (27454066).
Almost surely, 254908131 is an apocalyptic number.
54908131 is a deficient number, since it is larger than the sum of its proper divisors (1).
54908131 is an equidigital number, since it uses as much as digits as its factorization.
54908131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 54908131 is about 7410.0020917676. The cubic root of 54908131 is about 380.0833865943.
Subtracting from 54908131 its sum of digits (31), we obtain a square (54908100 = 74102).
The spelling of 54908131 in words is "fifty-four million, nine hundred eight thousand, one hundred thirty-one".
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