Base | Representation |
---|---|
bin | 1100001011100… |
… | …00110101001111 |
3 | 21010020222102101 |
4 | 12011300311033 |
5 | 202124032111 |
6 | 14045535531 |
7 | 2350315321 |
oct | 605606517 |
9 | 233228371 |
10 | 102174031 |
11 | 52746953 |
12 | 2a2745a7 |
13 | 1822520b |
14 | d7d9611 |
15 | 8e83bc1 |
hex | 6170d4f |
102174031 has 2 divisors, whose sum is σ = 102174032. Its totient is φ = 102174030.
The previous prime is 102174013. The next prime is 102174071. The reversal of 102174031 is 130471201.
Together with previous prime (102174013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102174031 is a prime.
It is a super-2 number, since 2×1021740312 = 20879065221577922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102174011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51087015 + 51087016.
It is an arithmetic number, because the mean of its divisors is an integer number (51087016).
Almost surely, 2102174031 is an apocalyptic number.
102174031 is a deficient number, since it is larger than the sum of its proper divisors (1).
102174031 is an equidigital number, since it uses as much as digits as its factorization.
102174031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 102174031 is about 10108.1170847987. The cubic root of 102174031 is about 467.4984506226.
The spelling of 102174031 in words is "one hundred two million, one hundred seventy-four thousand, thirty-one".
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