Base | Representation |
---|---|
bin | 1100011100010… |
… | …0011111000111 |
3 | 10122012021101221 |
4 | 3013010133013 |
5 | 101324410111 |
6 | 5102301211 |
7 | 1202364643 |
oct | 307043707 |
9 | 118167357 |
10 | 52185031 |
11 | 27503428 |
12 | 15587807 |
13 | aa71b22 |
14 | 6d05c23 |
15 | 48ac371 |
hex | 31c47c7 |
52185031 has 2 divisors, whose sum is σ = 52185032. Its totient is φ = 52185030.
The previous prime is 52185017. The next prime is 52185041. The reversal of 52185031 is 13058125.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52185031 - 29 = 52184519 is a prime.
It is a super-2 number, since 2×521850312 = 5446554920941922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52184987 and 52185005.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52185041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26092515 + 26092516.
It is an arithmetic number, because the mean of its divisors is an integer number (26092516).
Almost surely, 252185031 is an apocalyptic number.
52185031 is a deficient number, since it is larger than the sum of its proper divisors (1).
52185031 is an equidigital number, since it uses as much as digits as its factorization.
52185031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 52185031 is about 7223.9207498422. The cubic root of 52185031 is about 373.6933033314.
The spelling of 52185031 in words is "fifty-two million, one hundred eighty-five thousand, thirty-one".
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