Base | Representation |
---|---|
bin | 100111000111… |
… | …110111010111 |
3 | 201022001100121 |
4 | 213013313113 |
5 | 10111141311 |
6 | 1003452411 |
7 | 153113245 |
oct | 47076727 |
9 | 21261317 |
10 | 10255831 |
11 | 58753a3 |
12 | 3527107 |
13 | 2181151 |
14 | 150d795 |
15 | d78b71 |
hex | 9c7dd7 |
10255831 has 2 divisors, whose sum is σ = 10255832. Its totient is φ = 10255830.
The previous prime is 10255829. The next prime is 10255897. The reversal of 10255831 is 13855201.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (13855201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10255831 - 21 = 10255829 is a prime.
It is a super-2 number, since 2×102558312 = 210364139001122, which contains 22 as substring.
Together with 10255829, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 10255796 and 10255805.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10250831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5127915 + 5127916.
It is an arithmetic number, because the mean of its divisors is an integer number (5127916).
Almost surely, 210255831 is an apocalyptic number.
10255831 is a deficient number, since it is larger than the sum of its proper divisors (1).
10255831 is an equidigital number, since it uses as much as digits as its factorization.
10255831 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 10255831 is about 3202.4726384467. The cubic root of 10255831 is about 217.2652578158.
The spelling of 10255831 in words is "ten million, two hundred fifty-five thousand, eight hundred thirty-one".
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