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75400541 is a prime number
BaseRepresentation
bin1000111111010…
…00010101011101
312020212202002122
410133220111131
5123300304131
611252032325
71603615436
oct437502535
9166782078
1075400541
113961a5a7
12213026a5
131280ca08
14a02a48d
156945d7b
hex47e855d

75400541 has 2 divisors, whose sum is σ = 75400542. Its totient is φ = 75400540.

The previous prime is 75400519. The next prime is 75400571. The reversal of 75400541 is 14500457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74459641 + 940900 = 8629^2 + 970^2 .

It is an emirp because it is prime and its reverse (14500457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75400541 - 226 = 8291677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75400541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75400571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37700270 + 37700271.

It is an arithmetic number, because the mean of its divisors is an integer number (37700271).

Almost surely, 275400541 is an apocalyptic number.

It is an amenable number.

75400541 is a deficient number, since it is larger than the sum of its proper divisors (1).

75400541 is an equidigital number, since it uses as much as digits as its factorization.

75400541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 75400541 is about 8683.3484900699. The cubic root of 75400541 is about 422.4657320806.

Adding to 75400541 its reverse (14500457), we get a palindrome (89900998).

The spelling of 75400541 in words is "seventy-five million, four hundred thousand, five hundred forty-one".