Base | Representation |
---|---|
bin | 1100111001110… |
… | …1011010010001 |
3 | 10202211200121022 |
4 | 3032131122101 |
5 | 102323402004 |
6 | 5212005225 |
7 | 1225013315 |
oct | 316353221 |
9 | 122750538 |
10 | 54122129 |
11 | 28606836 |
12 | 16160815 |
13 | b29c739 |
14 | 728bb45 |
15 | 4b412be |
hex | 339d691 |
54122129 has 2 divisors, whose sum is σ = 54122130. Its totient is φ = 54122128.
The previous prime is 54122119. The next prime is 54122137. The reversal of 54122129 is 92122145.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54051904 + 70225 = 7352^2 + 265^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54122129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54122098 and 54122107.
It is not a weakly prime, because it can be changed into another prime (54122119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061064 + 27061065.
It is an arithmetic number, because the mean of its divisors is an integer number (27061065).
Almost surely, 254122129 is an apocalyptic number.
It is an amenable number.
54122129 is a deficient number, since it is larger than the sum of its proper divisors (1).
54122129 is an equidigital number, since it uses as much as digits as its factorization.
54122129 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1440, while the sum is 26.
The square root of 54122129 is about 7356.7743610906. The cubic root of 54122129 is about 378.2610502302.
The spelling of 54122129 in words is "fifty-four million, one hundred twenty-two thousand, one hundred twenty-nine".
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