Base | Representation |
---|---|
bin | 1101000111001… |
… | …0000010000111 |
3 | 10211110221020221 |
4 | 3101302002013 |
5 | 103034234111 |
6 | 5242405211 |
7 | 1235301352 |
oct | 321620207 |
9 | 124427227 |
10 | 54993031 |
11 | 29051095 |
12 | 16500807 |
13 | b515c72 |
14 | 7437299 |
15 | 4c64371 |
hex | 3472087 |
54993031 has 2 divisors, whose sum is σ = 54993032. Its totient is φ = 54993030.
The previous prime is 54992999. The next prime is 54993073. The reversal of 54993031 is 13039945.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54993031 - 25 = 54992999 is a prime.
It is a super-2 number, since 2×549930312 = 6048466917133922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54999031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27496515 + 27496516.
It is an arithmetic number, because the mean of its divisors is an integer number (27496516).
Almost surely, 254993031 is an apocalyptic number.
54993031 is a deficient number, since it is larger than the sum of its proper divisors (1).
54993031 is an equidigital number, since it uses as much as digits as its factorization.
54993031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14580, while the sum is 34.
The square root of 54993031 is about 7415.7286223270. The cubic root of 54993031 is about 380.2791831094.
The spelling of 54993031 in words is "fifty-four million, nine hundred ninety-three thousand, thirty-one".
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