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68046331 is a prime number
BaseRepresentation
bin1000000111001…
…00110111111011
311202001010000111
410003210313323
5114404440311
610430245151
71454245543
oct403446773
9152033014
1068046331
1135457241
121a9567b7
1311136502
149074323
155e91d21
hex40e4dfb

68046331 has 2 divisors, whose sum is σ = 68046332. Its totient is φ = 68046330.

The previous prime is 68046323. The next prime is 68046389. The reversal of 68046331 is 13364086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68046331 - 23 = 68046323 is a prime.

It is a super-2 number, since 2×680463312 = 9260606325123122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68046293 and 68046302.

It is not a weakly prime, because it can be changed into another prime (68046311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34023165 + 34023166.

It is an arithmetic number, because the mean of its divisors is an integer number (34023166).

Almost surely, 268046331 is an apocalyptic number.

68046331 is a deficient number, since it is larger than the sum of its proper divisors (1).

68046331 is an equidigital number, since it uses as much as digits as its factorization.

68046331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 68046331 is about 8249.0200024003. The cubic root of 68046331 is about 408.2581887359.

The spelling of 68046331 in words is "sixty-eight million, forty-six thousand, three hundred thirty-one".