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231676873 is a prime number
BaseRepresentation
bin11011100111100…
…01101111001001
3121010221101220221
431303301233021
5433302124443
634553350041
75512135531
oct1563615711
9533841827
10231676873
1110985929a
1265708321
1338cc860c
1422aaa4c1
1515514eed
hexdcf1bc9

231676873 has 2 divisors, whose sum is σ = 231676874. Its totient is φ = 231676872.

The previous prime is 231676871. The next prime is 231676883. The reversal of 231676873 is 378676132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228977424 + 2699449 = 15132^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 231676873 - 21 = 231676871 is a prime.

Together with 231676871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231676871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115838436 + 115838437.

It is an arithmetic number, because the mean of its divisors is an integer number (115838437).

Almost surely, 2231676873 is an apocalyptic number.

It is an amenable number.

231676873 is a deficient number, since it is larger than the sum of its proper divisors (1).

231676873 is an equidigital number, since it uses as much as digits as its factorization.

231676873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 231676873 is about 15220.9353523363. The cubic root of 231676873 is about 614.1779600302.

The spelling of 231676873 in words is "two hundred thirty-one million, six hundred seventy-six thousand, eight hundred seventy-three".