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87914243 is a prime number
BaseRepresentation
bin1010011110101…
…11011100000011
320010102111200002
411033113130003
5140001223433
612420150215
72115154514
oct517273403
9203374602
1087914243
11456972aa
122553836b
13152a1781
14b966a0b
157ab89e8
hex53d7703

87914243 has 2 divisors, whose sum is σ = 87914244. Its totient is φ = 87914242.

The previous prime is 87914221. The next prime is 87914249. The reversal of 87914243 is 34241978.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87914243 - 26 = 87914179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87914197 and 87914206.

It is not a weakly prime, because it can be changed into another prime (87914249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43957121 + 43957122.

It is an arithmetic number, because the mean of its divisors is an integer number (43957122).

Almost surely, 287914243 is an apocalyptic number.

87914243 is a deficient number, since it is larger than the sum of its proper divisors (1).

87914243 is an equidigital number, since it uses as much as digits as its factorization.

87914243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 87914243 is about 9376.2595420562. The cubic root of 87914243 is about 444.6514848959.

The spelling of 87914243 in words is "eighty-seven million, nine hundred fourteen thousand, two hundred forty-three".