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826120231 is a prime number
BaseRepresentation
bin110001001111011…
…001100000100111
32010120111020220121
4301033121200213
53142441321411
6213550342411
726320622536
oct6117314047
92116436817
10826120231
113943613a2
121b07baa07
131021c9c51
147ba0831d
154c7d6571
hex313d9827

826120231 has 2 divisors, whose sum is σ = 826120232. Its totient is φ = 826120230.

The previous prime is 826120223. The next prime is 826120249. The reversal of 826120231 is 132021628.

826120231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826120231 - 23 = 826120223 is a prime.

It is a super-2 number, since 2×8261202312 = 1364949272134986722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 826120196 and 826120205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826120531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413060115 + 413060116.

It is an arithmetic number, because the mean of its divisors is an integer number (413060116).

Almost surely, 2826120231 is an apocalyptic number.

826120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

826120231 is an equidigital number, since it uses as much as digits as its factorization.

826120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 826120231 is about 28742.3073360508. The cubic root of 826120231 is about 938.3130415586.

Adding to 826120231 its reverse (132021628), we get a palindrome (958141859).

The spelling of 826120231 in words is "eight hundred twenty-six million, one hundred twenty thousand, two hundred thirty-one".