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75241169 is a prime number
BaseRepresentation
bin1000111110000…
…01011011010001
312020120122110222
410133001123101
5123230204134
611244402425
71602353003
oct437013321
9166518428
1075241169
1139520893
1221246415
1312785303
149dc8373
156913a2e
hex47c16d1

75241169 has 2 divisors, whose sum is σ = 75241170. Its totient is φ = 75241168.

The previous prime is 75241147. The next prime is 75241171. The reversal of 75241169 is 96114257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75047569 + 193600 = 8663^2 + 440^2 .

It is an emirp because it is prime and its reverse (96114257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75241169 - 212 = 75237073 is a prime.

It is a super-2 number, since 2×752411692 = 11322467024973122, which contains 22 as substring.

Together with 75241171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75241189) 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, 37620584 + 37620585.

It is an arithmetic number, because the mean of its divisors is an integer number (37620585).

Almost surely, 275241169 is an apocalyptic number.

It is an amenable number.

75241169 is a deficient number, since it is larger than the sum of its proper divisors (1).

75241169 is an equidigital number, since it uses as much as digits as its factorization.

75241169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 75241169 is about 8674.1667611362. The cubic root of 75241169 is about 422.1678708149.

The spelling of 75241169 in words is "seventy-five million, two hundred forty-one thousand, one hundred sixty-nine".