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13955243 is a prime number
BaseRepresentation
bin110101001111…
…000010101011
3222020222222212
4311033002223
512033031433
61215035335
7226421561
oct65170253
928228885
1013955243
117971865
12480bb4b
132b77c53
141bd3a31
151359d48
hexd4f0ab

13955243 has 2 divisors, whose sum is σ = 13955244. Its totient is φ = 13955242.

The previous prime is 13955237. The next prime is 13955257. The reversal of 13955243 is 34255931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13955243 - 210 = 13954219 is a prime.

It is equal to p907394 and since 13955243 and 907394 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13955213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6977621 + 6977622.

It is an arithmetic number, because the mean of its divisors is an integer number (6977622).

Almost surely, 213955243 is an apocalyptic number.

13955243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13955243 is an equidigital number, since it uses as much as digits as its factorization.

13955243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 13955243 is about 3735.6716932836. The cubic root of 13955243 is about 240.7571171471.

The spelling of 13955243 in words is "thirteen million, nine hundred fifty-five thousand, two hundred forty-three".