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40175243 is a prime number
BaseRepresentation
bin1001100101000…
…0011010001011
32210121010001222
42121100122023
540241101433
63553032255
7665324663
oct231203213
983533058
1040175243
1120750289
121155568b
138428544
14549b1a3
1537d8b98
hex265068b

40175243 has 2 divisors, whose sum is σ = 40175244. Its totient is φ = 40175242.

The previous prime is 40175221. The next prime is 40175251. The reversal of 40175243 is 34257104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40175243 - 212 = 40171147 is a prime.

It is a super-2 number, since 2×401752432 = 3228100300218098, which contains 22 as substring.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (40175263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20087621 + 20087622.

It is an arithmetic number, because the mean of its divisors is an integer number (20087622).

Almost surely, 240175243 is an apocalyptic number.

40175243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40175243 is an equidigital number, since it uses as much as digits as its factorization.

40175243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40175243 is about 6338.3943550398. The cubic root of 40175243 is about 342.4938972752.

The spelling of 40175243 in words is "forty million, one hundred seventy-five thousand, two hundred forty-three".