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75252349 is a prime number
BaseRepresentation
bin1000111110001…
…00001001111101
312020121012211001
410133010021331
5123231033344
611244530301
71602430414
oct437041175
9166535731
1075252349
1139529227
1221250991
131278a423
149dcc47b
156916ed4
hex47c427d

75252349 has 2 divisors, whose sum is σ = 75252350. Its totient is φ = 75252348.

The previous prime is 75252347. The next prime is 75252367. The reversal of 75252349 is 94325257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 10562500 = 8043^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 75252349 - 21 = 75252347 is a prime.

Together with 75252347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75252341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37626174 + 37626175.

It is an arithmetic number, because the mean of its divisors is an integer number (37626175).

Almost surely, 275252349 is an apocalyptic number.

It is an amenable number.

75252349 is a deficient number, since it is larger than the sum of its proper divisors (1).

75252349 is an equidigital number, since it uses as much as digits as its factorization.

75252349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 75252349 is about 8674.8111795013. The cubic root of 75252349 is about 422.1887795945.

The spelling of 75252349 in words is "seventy-five million, two hundred fifty-two thousand, three hundred forty-nine".