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400068103 is a prime number
BaseRepresentation
bin10111110110001…
…000111000000111
31000212210120021011
4113312020320013
51304404134403
6103410503051
712625344211
oct2766107007
91025716234
10400068103
111959120a6
12b1b94a87
1364b665b6
143b1c15b1
15251c8a6d
hex17d88e07

400068103 has 2 divisors, whose sum is σ = 400068104. Its totient is φ = 400068102.

The previous prime is 400068077. The next prime is 400068107. The reversal of 400068103 is 301860004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-400068103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400068107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200034051 + 200034052.

It is an arithmetic number, because the mean of its divisors is an integer number (200034052).

Almost surely, 2400068103 is an apocalyptic number.

400068103 is a deficient number, since it is larger than the sum of its proper divisors (1).

400068103 is an equidigital number, since it uses as much as digits as its factorization.

400068103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 400068103 is about 20001.7025025371. The cubic root of 400068103 is about 736.8481129547.

The spelling of 400068103 in words is "four hundred million, sixty-eight thousand, one hundred three".