Base | Representation |
---|---|
bin | 1101000111001… |
… | …1011111110111 |
3 | 10211111020111011 |
4 | 3101303133313 |
5 | 103034432111 |
6 | 5242453051 |
7 | 1235325013 |
oct | 321633767 |
9 | 124436434 |
10 | 54999031 |
11 | 2905564a |
12 | 16504187 |
13 | b518909 |
14 | 7439543 |
15 | 4c66021 |
hex | 34737f7 |
54999031 has 2 divisors, whose sum is σ = 54999032. Its totient is φ = 54999030.
The previous prime is 54999011. The next prime is 54999041. The reversal of 54999031 is 13099945.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54999031 - 211 = 54996983 is a prime.
It is a super-2 number, since 2×549990312 = 6049786821877922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54999011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27499515 + 27499516.
It is an arithmetic number, because the mean of its divisors is an integer number (27499516).
Almost surely, 254999031 is an apocalyptic number.
54999031 is a deficient number, since it is larger than the sum of its proper divisors (1).
54999031 is an equidigital number, since it uses as much as digits as its factorization.
54999031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 43740, while the sum is 40.
The square root of 54999031 is about 7416.1331568412. The cubic root of 54999031 is about 380.2930126928.
The spelling of 54999031 in words is "fifty-four million, nine hundred ninety-nine thousand, thirty-one".
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